Kinetic QI


Kinetic

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Transcript


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This programme contains some strong language.

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Gooooooood evening, good evening, good evening, good evening

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and welcome to QI,

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where tonight we're on the move with K for Kinetic.

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Let's meet motor-mouth Danny Baker.

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Thank you. Good evening. Thank you.

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Speed-freak Marcus Brigstocke.

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Go-go girl Jo Brand.

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Go-go girl?

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And poetry in motion - Alan Davies.

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Thank you. That's nice.

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And let's hear your beats, bruvs.

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Danny goes...

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# I like to move it, move it... #

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Yeah. It's too loud for me today.

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Marcus goes...

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# I've got the moves like Jagger... #

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Jo goes...

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# Moving on up Nothing can stop me... #

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And Alan goes...

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# Saturday night at the movies Who cares what picture we see... #

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Movies.

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Kinema was originally what cinema was called.

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From the same word as kinetic, it was kinematic moving,

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ie, moving pictures.

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Well, Kinetic of course means anything to do with movement,

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so, for heaven's sake, let's get moving. Where will this get me?

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I'm going to find my broom here.

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If I were to move my hands together like this, what would happen?

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Whether I did this one a bit more than that one,

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or that one a bit more than that one.

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What would happen, at the end, when my hands met?

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-The heavy end would fall down.

-No.

-Shut up!

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Extraordinary, when you do this,

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you will always find it meets at the centre of gravity. Always.

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Because the resistance from the heavy end slows...

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Yeah, exactly, so as long as

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you're just sort of doing it without thinking, you know,

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it just meets up like that, and it balances.

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It doesn't actually look a very natural implement

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in your hand, Stephen.

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But you've got one. Maybe it'll look more natural in yours.

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Yeah, I am a drudge.

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You can ride it home tonight.

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-Here we go.

-You've all got one, so try it.

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-Obviously...

-His fell apart!

-..everybody except Alan.

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Now try properly.

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Obviously the left hand won't move as far as the right one.

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Is it working for you, Marcus? Please, God!

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-Yeah, yeah, yeah.

-Jo isn't even trying.

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No, well, I can tell you, there are women all over the country going,

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"Look at the silly bastards. We've got to clean the floor with it."

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-Oh, man, this is...

-I've been trying this all afternoon

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-and I can't make it do anything else.

-No!

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It's like it's got the Uri Geller touch about it, it's just...

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Ohhh, cool.

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That is bizarre.

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-Aaah.

-Well, that's really disappointing.

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-This one's Kate Moss.

-Yeah, baby.

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I'm completely astounded.

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We're all very disappointed.

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Every single person who's tried this...

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Is there any money in doing it wrong?

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LAUGHTER

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APPLAUSE

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It's just like, I'm not doing it on purpose, I promise I'm not...

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-Close your eyes.

-Look at that!

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There, that's good. You've found the centre of gravity perfectly there.

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The thing is, you're tilting it, Danny.

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You've got to keep it straight.

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No. I promise you, I'm trying to tilt it. It's not...

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No, you're tilting it. That's working perfectly.

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Well...

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Physical comedy so early in the show.

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I know. You can't beat it.

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-Last time, last time, last time. Last time. It's level, yes?

-Yeah.

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Level. It's going, I can feel it's going... Aah.

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Hurray!

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Phew!

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-Human error.

-And this, now that's interesting.

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Why do you think you can balance it with the centre of gravity so high?

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-Because we know where the centre of gravity is.

-Because I am a genius!

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-LAUGHTER

-That's right.

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But if you try and do that from the bottom end,

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but not grasping the brushes,

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literally just balancing it on your palm,

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-it'll just fall over. Not... You mustn't grasp it.

-Like that.

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-Hello. That's really good, actually.

-Yes.

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I'm just going to rip...

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I think the show's broom techy might need a word after the programme.

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APPLAUSE

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-Well, thank you very much, my science elves...

-Exactly.

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..for all your moments of inertia and your centres of mass.

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I like this. This game's brilliant, because you don't need to be clever.

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No, exactly. You just need to know a variety of broom-related tricks.

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-Well, the centre of gravity is the issue there, isn't it?

-Yeah.

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Discovered by Archimedes, supposedly.

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Could anyone hear him speak, Archimedes? Was it just a...?

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HE MAKES SQUEAKING NOISE

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It did sound as if it was coming through dense undergrowth.

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There's a man in the bushes. "No, it's me, it's me."

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Behind you, there's a man in the bush.

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"No, I'm telling you, it's me speaking."

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Anyway, listen, the idea is that you will always find

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the centre of gravity of a broom, as you zoom your hands together.

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Try it at home. Jesus, God!

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So, now, what would happen if the Earth suddenly stopped spinning?

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-We'd all fly off it.

-Oh! ALARM BLARES

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Marcus-y, Marcus-y, Marcus-y, Marcus.

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-Wouldn't we all fall off, then?

-We wouldn't fall off, no. No.

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-Oh, there would be numerous consequences, Stephen.

-There would.

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Name a consequence?

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Well, half of the world would be plunged into eternal darkness...

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That's a very good point.

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..and they would all leave and come and join the light side.

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-Or would some of them go to the dark side?

-Ah.

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It would change the very nature of human life on the planet,

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from the dark to the light people.

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What about the animals?

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All the ones who like the dark, they'd have to get to the dark side.

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All the moths would have to go...

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All the moths would have to go that way.

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The butterflies would have to go that way.

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The moles would be really confused.

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What about on Daybreak, when they start broadcasting,

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that would be confusing. How do they know when to start Daybreak

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if they're on the light side?

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Well, the point is, the Earth spins at about 1,000 miles an hour,

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at the equator.

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It would have to be almost 17 times more than that

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to defeat the effect of gravity.

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We would just scrape along the ground at 1,000 miles an hour,

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and we'd, you know... Good to have shares in Savlon,

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because we'd have any number of bruises.

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If I scraped along the ground at 1,000 miles an hour,

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I'd kill a load of old ladies.

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It wouldn't be pleasant. What we couldn't do

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is have enough force to go out of the atmosphere.

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The fact is, you wouldn't fly off, although it's a compelling image.

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You'd just scrape along the ground and probably bump into things.

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Now, what travels the wrong way along a motorway

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at 12 miles per hour?

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-# Moving... #

-Yes, baby?

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Is it an elderly man in a Morris Minor?

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-No, it's one of those motorised wheelchairs, normally.

-Oh!

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KLAXON

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-Oh, no, I got half of that.

-No, you were both going for the same thing.

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Well, no, this is an effect we might all have experienced on motorways,

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and a deeply unpleasant one, and yet a perplexing one.

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There was a wonderful New Yorker cartoon,

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which showed a huge traffic jam

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and a man looking in a puzzled way at a sign that said,

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"Traffic jam clears inexplicably three miles ahead."

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And that's the phenomenon we're looking at if you drive,

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you know that sometimes you can be in this terrible traffic jam

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and then it will magically clear.

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There are no cones, no police, there's never...

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Not been anything wrong. And you think, "What was that about?"

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And there's a science which is like fluid dynamics,

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but they use things called "kinematic wave equations".

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And what happens is, a car will suddenly brake

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and the car behind it will brake,

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and the car behind it will brake, and so on and so on,

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and it sends a ripple effect back through the traffic.

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And the one ahead can start off again quite cheerfully,

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saying, "Oh, it was only a pigeon diving at my windscreen."

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But the other ones are still slowing down.

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And they continue to, going backwards.

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There you see them backing up.

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And they continue to back up for quite long distances,

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while the ones ahead are free.

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But they've discovered that pulse, backwards, of braking,

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travels on average about 12 miles an hour and can cause big jams.

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Presumably you get the same effect

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when there's a police car in the slow lane doing 68 as well.

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Oh, yes, that's so annoying, you inch past it.

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Everyone, doing 68, yeah.

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-If I just... I bet police love that.

-Do you ever give them the look...?

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They're going, "Oh, look, he's going 71. Shall we? Shall we?"

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But of course we know nothing of traffic jams in this country.

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Which country is the absolute heroic epicentre of the traffic jams,

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-of all traffic jams?

-I would think India.

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No, it's China. China has epic, I mean epic, traffic jams.

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They had one in 2010 that was over 80 miles long

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and it moved on average less than a kilometre a day.

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I'm not kidding you, that's how bad it was.

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And they're so bad regularly,

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that they now have quite profitable services

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where you call up this service

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and they arrive on a motorbike, two people on a motorbike.

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One gets in and takes your place in the traffic jam,

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and you get on the back and the other one drives you through the traffic.

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Do people bring you things?

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-Like will you get a phone-a-pizza and that kind of thing?

-Probably.

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They're an enterprising people, the Chinese, I should imagine so.

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But it would be very difficult,

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I suppose if you bought the pizza on a motorbike, you'd be all right.

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But it would be quite frustrating to order the pizza, you know,

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"We're at the lights, so we're four days away."

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I was quite impressed. I went to Las Vegas last year

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and they have those billboard trucks

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that say they can deliver a hooker to your room in 25 minutes,

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but the pizza still takes half-an-hour.

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So what I worked out is that you could,

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if you had the resources, get the hooker to pick up the pizza for you.

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APPLAUSE

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That's absolutely brilliant.

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Oh, wonderful. Wonderful.

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-You still have to pay for extra toppings.

-I was going to say.

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Oh, heavens above. There are all kinds of... Yes. Very fine.

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They're called phantom traffic jams,

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when they are waves that flow backwards at 12 miles an hour.

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So, you're a mosquito, it starts raining heavily, what happens next?

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Umbrellas, they put umbrellas up.

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That's a lovely idea.

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They're flying about going like that, "Aah, I love it, aaah."

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The problem they face is that one rain drop

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is 50 times heavier than they are,

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-so you'd imagine they're being knocked sideways by them.

-Good.

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-But yes... And frankly good bloody riddance!

-I bloody hate them!

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But this is what happens...

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-They just brush them aside.

-Oh.

-Oh.

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And sometimes they actually ride on them.

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We actually annoyingly don't have film of them riding on them,

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and then they leap off just before they hit the ground and burst.

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They very sort of elegantly cope with them.

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Because they like wet weather...

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I genuinely think that we have slept-walked

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into being a mosquito nation.

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-I don't remember mosquitoes. Gnats, yes. Swarms of gnats.

-Yeah.

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Mosquitoes were something you experienced abroad.

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But now they say there's only one thing guaranteed,

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if you're having a barbecue, to keep the mosquitoes away from the food,

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that's hang a big bag of blood over by the neighbours' house,

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and you'll find they'll always go that way.

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But I don't remember mosquitoes being in this country...

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Well, it's climate change.

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-..and I think the Daily Mail should look into it.

-Yes.

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You could obviously want to take the tube to stay nice and dry

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and avoid the problem of rain drops at all,

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but there is, in fact, a special sub-species of mosquito

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that lives only on the London Underground.

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-Yeah?

-Yeah, and it bites rats, dogs and people,

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and it's called Culex pipiens molestus.

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There it is.

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It's not that big, don't worry. Please.

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That, I promise you, that really is a horrible...

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Would you like a seat? Thanks very much.

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I've bitten four rats and I'm exhausted.

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So, if it's raining is it best to run into the dry,

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or to walk slowly into the dry?

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In order to be less wet.

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I've just realised how much of my life I've spent,

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when it rains, trying to work this out.

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Going, "If I run, am I running into more rain drops?"

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Yes, exactly. That's the point.

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"Or if I walk. So what's going to make me wetter?"

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And by the time I've stopped and figured that out, I'm drenched.

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Yes.

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-You run, but you run sideways...

-Ah, yours is...

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..in a very narrow shape.

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-You're absolutely on the money here, Alan.

-Really?

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Is that right?

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If, yeah. If you're thin. So there are many, many variables.

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Pull your tummy in, pull your tummy in.

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It's all been thought through by a man called...

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-So, fat people get wet?

-No, well...

-Fucking typical.

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-That's a good title for a book...

-It is.

-Fat People...

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..Fat People Get Wet.

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Isn't it a Randy Newman song?

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# Fat people get wet... #

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Professor Franco Bocci actually wrote a paper

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in the European Journal Of Physics.

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-He's a high-level physics man...

-I love that journal.

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Obviously it was sort of semi jokey,

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but it covered all the points you've made.

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It recommends that if the rain is falling straight down,

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or being blown towards you by the wind,

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you should run as fast as you can until you reach shelter.

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If the wind is behind you,

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you should try and match the speed of the wind.

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If the wind is from the side,

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fat people should run as fast as they can.

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Whereas very thin people might be better off walking.

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The maths behind it is apparently fiendishly complex.

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-If it's from the side, run as fast as you can.

-Yeah.

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Be pretty galling to be in that situation

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and see a mosquito surfing past. Weee.

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So, now then, do you remember when snails were faster?

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Yes.

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Good. You probably do. You probably do.

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-Incrementally, by such a small amount.

-Yeah?

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They're slowing down?

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They, snails are slowing down, yes.

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It's like that awful joke

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about the builder who turns round and stamps on a snail and says,

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"That bastard has been following me round all day."

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What about the bloke...? The snail who knocks on the door

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and the bloke picks it up and he goes...throws it away.

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Then about two days later, he hears "bing-bong",

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and he opens the door and the snail goes, "What?"

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But they do... Apparently, if you throw them away,

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they do make their way back to where you flung them from.

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I'm sure I read that. I'm sure someone painted up some...

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-Not thinking of cats?

-Oh, yes.

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Yes, yes.

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-You're thinking grandparents.

-Grandparents!

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-No, I'm sure...

-But you are right about snails,

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and of course they're the easiest animals on earth to mark, virtually.

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I mean, because of the shell.

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So, some scientists from Chile took the common garden snail,

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and what they did on each one is they measured their metabolism

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by the amount of CO2 they emitted at rest.

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And then they released them into the wild,

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and then later they went out

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and found some dead ones and some still-living ones.

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And they found that the size of the snails

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had no effect on their survival and thriving rates,

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but the metabolic rate did.

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The lower the snail's metabolic rate,

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the greater the chance of survival.

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It seems that nature is selecting for snails with a slower metabolism,

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giving it more time to do that kind of thing.

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-Oh, yeah, look at him.

-Yeah. Now that's lazy. That is lazy.

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I mean, say what you want.

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Are they slowing down because they've taken up smoking?

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-Is that why they're slower?

-It's a good point.

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I think it's evolutionary pressure is slowing them down, as it were,

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selecting them for slowing.

0:15:490:15:50

I think I read somewhere that they were the first things we farmed.

0:15:500:15:54

Do you know? I think that rings a bell.

0:15:540:15:56

I have a feeling they were the first things we farmed because...

0:15:560:15:59

Well, because they're relatively easy to farm.

0:15:590:16:02

I mean, it's a quiet day for a snail shepherd, you know.

0:16:020:16:05

I would think, but they found evidence

0:16:070:16:09

from very, very early man that...

0:16:090:16:11

-That we'd farmed them, yeah.

-You're absolutely right.

0:16:110:16:13

In fact, we covered this, didn't we, Alan? Do you remember?

0:16:130:16:16

-Is your memory stirring?

-Yes, we did.

0:16:160:16:18

That's what's happened with QI now. You'll have people like me

0:16:180:16:20

coming on and going, "I'm sure I heard somewhere..."

0:16:200:16:24

I can't think where the hell it was.

0:16:240:16:26

So, if you want to catch a snail, there's no hurry.

0:16:300:16:32

The longer you leave it, the slower it'll be going.

0:16:320:16:34

Who are Europe's biggest swingers?

0:16:340:16:37

-The Germans.

-The Germans?

0:16:400:16:41

-ALARM WAILS

-Oh, dear. Here we go.

0:16:410:16:44

-Could be a long ride.

-The Dutch.

0:16:450:16:47

-Dutch, that's an interesting one.

-Ah, haha!

0:16:470:16:50

Damn and curses.

0:16:510:16:53

Don't say any Scandinavian countries, whatever you do.

0:16:530:16:56

-Very wise.

-Do you mean swingers, like, that swing from things?

0:16:560:16:59

I literally do, yeah.

0:16:590:17:01

Or swingers that are married couples looking for some excitement?

0:17:010:17:04

Cunning you. You have seen through our ploy.

0:17:040:17:07

It is indeed the more literal former.

0:17:070:17:10

I don't know anything about that.

0:17:100:17:12

People who use swings in a sporting way. They have...

0:17:120:17:14

-I do about the other.

-Yes, of course.

0:17:140:17:18

They have a national pastime, which is called Kiiking,

0:17:180:17:22

-or Kiiking, K-I-I-K.

-Hungarians.

0:17:220:17:26

Oddly enough, it's one of only two other countries

0:17:260:17:28

that has a language which is based on the same language as Hungary.

0:17:280:17:31

-Iceland.

-No.

-Finland.

0:17:310:17:33

No, though Finland is one of them.

0:17:330:17:35

-It's Estonia, bizarrely.

-Estonia.

0:17:350:17:37

Yeah, it's Estonia, Finland and Hungary

0:17:370:17:39

are part of the Finno ugric linguistic family.

0:17:390:17:41

I had a UKIP leaflet came through the door

0:17:410:17:43

saying that's how they're going to get in, using big swings.

0:17:430:17:47

All of them, apparently, the whole lot,

0:17:480:17:50

they're all just going to swing in in one day.

0:17:500:17:53

-Well, they will take up space in our parks...

-That's right.

0:17:530:17:55

Swinging in a way that we've never seen before. Behold Kiiking.

0:17:550:17:58

They can swing better than we can.

0:17:580:18:00

You'll see something that we thought was impossible when we were children.

0:18:000:18:03

-You start off like that...

-He's not going to go round the top, is he?

0:18:030:18:07

-He's not going to go over the top?!

-Surely he couldn't.

0:18:070:18:09

-Look at that, big leg thrusts.

-Well...

0:18:090:18:11

Big leg thrusts at just the right moment.

0:18:110:18:13

He could have someone's eye out.

0:18:130:18:15

Hitting the resonance of the pendulum just at the right moment.

0:18:150:18:18

-He's been to see Matilda.

-Oops.

0:18:180:18:20

Ah, now he's higher. Come on, baby!

0:18:210:18:24

-There he goes!

-Yes!

0:18:240:18:28

Wowzeroonie! And then nearly up then.

0:18:280:18:30

-So, that's the sport.

-That's tremendous.

0:18:300:18:32

The interesting thing is, those arms, they are adjustable,

0:18:320:18:35

so everyone has a go. When they've all done it at that height,

0:18:350:18:38

you then extend the arms telescopically,

0:18:380:18:40

you bracket them up, and it's a bit like the high jump or something.

0:18:400:18:43

All those who can't do it drop out

0:18:430:18:44

until you've got a winner who's got the longest arm setting

0:18:440:18:47

and has done a complete 360 degree turn.

0:18:470:18:49

You'd have to raise the height of the axis though, wouldn't you?

0:18:490:18:52

-That would be very important.

-Yes.

-Otherwise...

0:18:520:18:56

-Oh, heavens, yes.

-I mean, it's good, it's nice to win, but...

0:18:560:19:00

No. Exactly.

0:19:000:19:02

Well put. They look obviously immensely strong,

0:19:020:19:04

the thighs are very strong, getting that real sort of kick in

0:19:040:19:07

-because they haven't got Daddy pushing.

-I'm imagining the thighs now.

0:19:070:19:11

Oh, stop it! Picture...

0:19:110:19:13

They're immensely strong.

0:19:130:19:15

Anyway, the Estonians have taken swinging right over the top.

0:19:150:19:20

Now, what's the world's highest waterfall?

0:19:200:19:23

That is to say, it has the longest drop.

0:19:230:19:26

-Is it in South America?

-No.

0:19:260:19:29

-It's not Angel Falls?

-Angel.

0:19:290:19:31

KLAXON

0:19:310:19:33

Oh, no. I've...soiled my clean sheet.

0:19:330:19:36

Oh, Jo!

0:19:380:19:39

-What a tragedy.

-It is.

0:19:390:19:42

Its drop is 11,500 feet.

0:19:420:19:45

Angel Falls is only 3,212 feet.

0:19:450:19:47

But you think, well, what is it called then?

0:19:470:19:50

-What's its name? The weird thing is, it doesn't have a name.

-Oh.

0:19:500:19:52

-It's actually underwater...

-Underwater.

0:19:520:19:55

..between Greenland and Iceland.

0:19:550:19:57

Why does it count as a waterfall, though,

0:19:570:19:59

when there's loads of water there anyway?

0:19:590:20:01

Because it's a huge current of cold water dropping down,

0:20:010:20:04

and it is a waterfall within water.

0:20:040:20:06

But this... This doesn't have a name, right?

0:20:060:20:08

No, weirdly, it doesn't. The QI Waterfall.

0:20:080:20:11

-The QI Waterfall, yes.

-The Alan Davies Waterfall.

0:20:110:20:15

The Alan Davies Cascade.

0:20:150:20:16

-That would be a good name, wouldn't it?

-Now you're talking.

-Yeah.

0:20:170:20:20

That's a haircut as well, isn't it?

0:20:200:20:22

-LAUGHTER

-Very good.

0:20:220:20:27

It's also a position.

0:20:310:20:33

Oh, dear. Oh, dear.

0:20:350:20:37

Can't do it any more, I need support.

0:20:370:20:40

The unnamed QI Waterfall

0:20:420:20:44

carries at least 175 million cubic feet of cold water per second.

0:20:440:20:48

-It's the equivalent of 2,000 Niagaras at peak flow.

-Wow.

0:20:480:20:52

Yeah. So, what's the world's biggest river?

0:20:520:20:55

And where is it?

0:20:550:20:56

-Is it underwater?

-KLAXON

0:20:560:21:00

It's a nice thought.

0:21:020:21:04

-Amazon.

-Oh!

-KLAXON

0:21:040:21:09

-Hang on. There you go.

-Nile.

-Nile? Well, you just...

0:21:090:21:11

KLAXON

0:21:110:21:14

-When you said biggest?

-Yeah.

-What do you mean? Widest, longest?

0:21:160:21:20

-Carries the most water.

-Carries the most water.

0:21:200:21:22

Well, you're going to be so angry. It's in the sky.

0:21:220:21:24

-They're called atmospheric rivers.

-Oh!

0:21:240:21:27

Oh, now, I've got to say,

0:21:290:21:30

sometimes, on behalf of the audience, I hate this programme.

0:21:300:21:33

APPLAUSE

0:21:330:21:35

I agree.

0:21:370:21:38

I agree and I'm really...

0:21:380:21:40

This is hurting you far more than it hurts me. No...

0:21:400:21:42

They're known as atmospheric rivers.

0:21:420:21:44

They're vast ribbons of water vapour moving water around the world.

0:21:440:21:47

They appear in different places, different times.

0:21:470:21:49

2,000 kilometres long.

0:21:490:21:50

Are they the ones that are perfectly timed

0:21:500:21:52

to coincide with bank holidays?

0:21:520:21:54

Yes, absolutely. In fact you're right. They're the ones.

0:21:540:21:57

2,000 kilometres long and only a few kilometres wide,

0:21:570:22:00

but although they cover less than 10% of the globe,

0:22:000:22:02

four or five of them

0:22:020:22:03

-contain 90% of all the world's water vapour at a time.

-Wow.

0:22:030:22:07

So the world's biggest rivers are in the sky - I'm sorry about that.

0:22:070:22:10

But seriously, name the world's biggest river that isn't in the sky.

0:22:100:22:13

Go on, Alan. Go on, Al.

0:22:160:22:19

An actual river this time?

0:22:190:22:21

-That isn't in the sky. No, that isn't in the sky.

-Yes, but...

0:22:210:22:24

Is it one of those ones that Alan's mentioned already?

0:22:240:22:28

-Do you think, maybe?

-No.

0:22:280:22:29

There is a river under the Amazon called the Rio Hamza,

0:22:290:22:34

and it is actually bigger than the Amazon itself.

0:22:340:22:37

-It was only discovered in 2011.

-The Rio Hamza?

0:22:370:22:40

-Yes, exactly, the Abu Hamza.

-Is it sort of hook-shaped?

0:22:400:22:44

It is a really sad coincidence, I'm afraid.

0:22:450:22:48

-A river hated by the tabloids.

-It's hated by the tabloids.

0:22:480:22:52

Yes, they collected data from 241 abandoned deep wells

0:22:520:22:56

and it runs 6,000 kilometres, like the Amazon above it,

0:22:560:23:00

but is up to four times wider.

0:23:000:23:03

And that's 200-to-400 kilometres wide.

0:23:030:23:07

-How far down is it?

-Four kilometres beneath the Amazon itself.

0:23:070:23:10

I mean, some people would say it's an aquaflow,

0:23:100:23:12

but it actually flows horizontally, like a river.

0:23:120:23:14

-And it is called "hio", which is river flows.

-Do things live in it?

0:23:140:23:18

There must be organisms.

0:23:180:23:20

No matter how crap a place is,

0:23:200:23:22

Attenborough always goes, "Even here...

0:23:220:23:24

-"..something very stupid..."

-Then something comes past going...

0:23:260:23:30

"..has built its house."

0:23:300:23:31

-..like the Muppets.

-Yeah. He'll go anywhere, won't he?

0:23:330:23:36

-The organism Muppet.

-Yeah, yeah.

-He's got a little light on his head.

0:23:360:23:39

It's true.

0:23:410:23:43

And here they are mating.

0:23:430:23:45

It's absolutely true.

0:23:470:23:50

So, the biggest river that isn't in the sky is underground.

0:23:500:23:53

So, what's the world's biggest animal? Alan?

0:23:530:23:55

-Oh, don't, get me started.

-Oh, it's...whatever you say...

0:23:550:23:58

# I've got the moves... #

0:23:580:24:01

-It's the blue whale.

-Is the right answer!

-Oh, you bastard!

0:24:010:24:04

APPLAUSE

0:24:040:24:08

Poor Alan.

0:24:100:24:11

-Oh, it's so unfair.

-No-one's allowed to say "blue whale" except me.

0:24:120:24:17

It's the biggest animal that's ever lived on the Earth,

0:24:170:24:20

-bigger than any dinosaur.

-Absolutely correct, yeah.

0:24:200:24:23

-Magnificent things.

-Tongue as big as a bus.

0:24:230:24:25

-And we know, we know...

-Alan's so annoyed.

0:24:250:24:26

-We know next to nothing about them.

-You're right.

0:24:260:24:29

We don't know where they go, or anything.

0:24:290:24:31

I know where they go, I know exactly,

0:24:310:24:33

I know everything about them.

0:24:330:24:34

They go on the minus side of the debit ledger, don't they?

0:24:350:24:37

-Yes, exactly.

-Their tongue is the size of a Mini Cooper.

0:24:370:24:40

Or is it their heart?

0:24:400:24:42

Oh, poor Alan, everyone's feeling so sorry for you.

0:24:420:24:44

But they are... No, they are mysterious and extraordinary

0:24:440:24:47

and beautiful animals.

0:24:470:24:48

-And they're huge.

-Oh, fuck off!

0:24:480:24:50

-You tried.

-It's been waiting for me for years.

0:24:560:24:59

You tried, is all I can say.

0:24:590:25:00

And it is of course the blue whale. Don't you listen to anything?

0:25:000:25:03

Now we're going to end.

0:25:030:25:04

How can you knock a building down with a feather?

0:25:040:25:08

Like the Shard, for example.

0:25:080:25:09

You could knock it down, I could knock it down,

0:25:090:25:12

if I prepared things correctly, with a whisk of a feather.

0:25:120:25:16

-Not using any electronics.

-A very, very large feather.

0:25:160:25:18

No, using, I've actually got the feather here that I'm going to use.

0:25:180:25:21

It's nice and pink, so it stands out.

0:25:210:25:23

That would be the feather I would use.

0:25:230:25:24

Do you tickle the architect while he's doing...

0:25:240:25:28

Coming up with the plans, so that they're all off? Like that.

0:25:280:25:31

-And it falls over.

-And then they make it. "Oh, it didn't work."

0:25:310:25:34

"Well, Stephen was tickling me with a feather."

0:25:340:25:36

A cunning thought, but no. This is the existing standing Shard.

0:25:360:25:40

-And you could reduce that to rubble with a feather?

-Yeah.

0:25:400:25:44

Shall I show you? I'll show you the principle.

0:25:440:25:47

This is my little template to show me where I have to go.

0:25:470:25:50

You see, I've got them down here and here's my big... O

0:25:500:25:54

h, my big load.

0:25:540:25:55

-Oops.

-Steady.

-There we go.

0:25:550:25:58

Now, what we've got here is, in varying sizes, kind of dominos.

0:25:580:26:03

You can see. And the idea is

0:26:030:26:05

that each one is just one and a half times bigger than the one before it.

0:26:050:26:10

And it may seem like a very little amount,

0:26:100:26:12

but what we're going to do is make a really loud bang with this.

0:26:120:26:15

What, is that meant to be like the Shard?

0:26:150:26:17

Dominos, it's the domino effect.

0:26:170:26:18

-You would aim this at the Shard...

-Yes.

0:26:180:26:20

..and you would only need 24 of these.

0:26:200:26:23

Each one just one and a half times bigger than the one before it -

0:26:230:26:27

that's the point.

0:26:270:26:28

You'd only need 24 and the last one would utterly destroy it.

0:26:280:26:32

-Really?

-Blimey.

-It's the exponential increase of mass,

0:26:320:26:36

just by going one and a half times bigger.

0:26:360:26:39

It's all right. It can only fall, yeah.

0:26:390:26:41

I've got a splinter off my broom now.

0:26:430:26:45

Careful, careful. Right, here we go.

0:26:470:26:49

We've just made the security services' job that much more harder.

0:26:490:26:52

-You can bring down the Shard...

-Here we go. So...

0:26:520:26:56

Who needs to hijack aircraft any more? QI's given it away.

0:26:560:27:00

So you imagine this increasing up to just 24

0:27:000:27:04

and you'd start with one movement of a feather,

0:27:040:27:07

and all the potential energy stored in these

0:27:070:27:09

and all the mass of them like that,

0:27:090:27:11

and you just have that effect, like wow...

0:27:110:27:13

-Wow!

-There you go.

0:27:140:27:16

-Excellent.

-That's pretty good, isn't it?

-Yeah.

0:27:170:27:20

That's brilliant. Bravo.

0:27:200:27:23

Where did you come by such a camp feather?

0:27:230:27:26

The awful thing was, I was asked to choose a colour

0:27:260:27:28

and I immediately went, "I think this one stands out."

0:27:280:27:31

It is a lovely feather.

0:27:320:27:34

There's a bird of paradise somewhere

0:27:340:27:35

having a very problematic flirting season.

0:27:350:27:38

Well, we've run out of energy for this week.

0:27:390:27:42

Let's see the movement on the scoreboard.

0:27:420:27:44

And oh, my word, isn't it fantastic?

0:27:440:27:46

Clear winner - it's Danny Banker with plus eight!

0:27:460:27:49

Thank you very much. I thank you very much.

0:27:490:27:51

In fantastic second place with minus five, Marcus Brigstocke.

0:27:550:27:59

-One mistake, Marcus, one mistake.

-Yeah, I know, I know, I know.

0:27:590:28:02

A very close third with minus eight, Jo Brand.

0:28:030:28:06

You must have minus 47, I think.

0:28:090:28:11

But poor wee soul, with minus 56, in fourth place, it's Alan Davies.

0:28:110:28:15

Whoo!

0:28:150:28:16

Well, my thanks to Marcus, Danny, Jo and Alan.

0:28:230:28:26

And it's goodbye from me and adore each other. Goodnight.

0:28:260:28:29

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0:28:290:28:32

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