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Hold on! A-ha! Yeah, try that. | 0:00:36 | 0:00:40 | |
Yeah. | 0:00:41 | 0:00:43 | |
Thank goodness I had my safety goggles with me. | 0:00:43 | 0:00:46 | |
They ward off all danger. And that's why we always wear them in here. | 0:00:46 | 0:00:50 | |
Hello, I'm Richard Hammond. Welcome to Blast Lab. | 0:00:50 | 0:00:52 | |
This is where I do all my top secret science, | 0:00:56 | 0:00:59 | |
experimenting with incredible machines that transport matter | 0:00:59 | 0:01:02 | |
through time and space. And with mutant monsters | 0:01:02 | 0:01:05 | |
that turn out to be able to escape from their cages. | 0:01:05 | 0:01:07 | |
Today, I'm going to be putting two teams through their paces, | 0:01:07 | 0:01:11 | |
to discover which group has the best scientific minds. | 0:01:11 | 0:01:14 | |
Let's see what's in store. | 0:01:14 | 0:01:15 | |
If you're going to do top-secret experiments | 0:01:27 | 0:01:30 | |
in your lab, you can't have just anyone wandering in. | 0:01:30 | 0:01:33 | |
That's why I have the best security available to protect this place - | 0:01:33 | 0:01:36 | |
the SAS. Unfortunately, a lot of their mums have birthdays around | 0:01:36 | 0:01:40 | |
now. So, they've all gone shopping together, for presents, | 0:01:40 | 0:01:43 | |
instead of coming to work. | 0:01:43 | 0:01:45 | |
Luckily for me, my Nan is a one-woman fighting machine. | 0:01:45 | 0:01:48 | |
It is Ninja Nan. | 0:01:48 | 0:01:50 | |
APPLAUSE AND CHEERING | 0:01:50 | 0:01:52 | |
Didn't you see the huge monster? The huge teeth, the wings, the pincers? | 0:01:58 | 0:02:03 | |
No? OK, I don't want to know what happened. | 0:02:03 | 0:02:06 | |
But, thanks for standing in. I know, she may look fragile. | 0:02:06 | 0:02:09 | |
But she is actually a trained ninja. | 0:02:09 | 0:02:11 | |
See? Take your place in security now, please, Nan. Nan! | 0:02:15 | 0:02:19 | |
Nan! If you'd like to take your place in security. | 0:02:19 | 0:02:22 | |
Thank you very much, indeed. | 0:02:22 | 0:02:23 | |
There she goes. | 0:02:23 | 0:02:25 | |
Look at that, look at the speed. | 0:02:25 | 0:02:27 | |
She is so fast she has to slow down to catch blue bottles. | 0:02:27 | 0:02:31 | |
OK, Nan is settled in. | 0:02:31 | 0:02:33 | |
It's time now to meet the people who are trying to get into my lab today. | 0:02:33 | 0:02:37 | |
CHEERING AND APPLAUSE | 0:02:37 | 0:02:39 | |
Don't clap yet, they could be anybody! | 0:02:41 | 0:02:43 | |
We've got to be certain, before we let them through security. | 0:02:43 | 0:02:47 | |
You say you're the Yellow Team? | 0:02:47 | 0:02:48 | |
Identify yourselves by names, please. | 0:02:48 | 0:02:51 | |
-Daryl! -Tom! -MJ! -Daryl, Tom, MJ. Yup, that checks out. | 0:02:51 | 0:02:54 | |
Now, I'm going to ask you to perform a hidden talent, | 0:02:54 | 0:02:57 | |
so we can be sure you're the right people to let in. | 0:02:57 | 0:03:00 | |
Tom, it says here, you can do kick boxing. Don't move a muscle! | 0:03:00 | 0:03:04 | |
Don't move. Right now, you're in incredible danger. | 0:03:04 | 0:03:07 | |
Because Ninja Nan is there, poised behind you. | 0:03:07 | 0:03:10 | |
If you even think about kick boxing, it'll get messy in there. | 0:03:10 | 0:03:13 | |
Lab rats to security, make Ninja Nan safe. Thank you. | 0:03:13 | 0:03:17 | |
There you go. See, that'll be fine, that'll be fine. | 0:03:17 | 0:03:20 | |
Yes, that'll hold her in. | 0:03:20 | 0:03:22 | |
Oh, double, just to be certain. | 0:03:22 | 0:03:24 | |
Right, Tom, do your stuff. Prove it. | 0:03:24 | 0:03:26 | |
Oh, crikey! Yup, yup. | 0:03:29 | 0:03:30 | |
That's looking like kick boxing to me. Yup. | 0:03:30 | 0:03:33 | |
You are cleared through security. You can come into the lab. | 0:03:33 | 0:03:36 | |
APPLAUSE | 0:03:36 | 0:03:38 | |
Hello, Yellow Team. Welcome to Blast Lab. Where you from? | 0:03:42 | 0:03:45 | |
ALL: We're from Oxfordshire, and we're the Speedy Brains! | 0:03:45 | 0:03:51 | |
No, you're the Yellow Team. | 0:03:51 | 0:03:53 | |
But welcome to Blast Lab. Thanks for coming in. Good luck. | 0:03:53 | 0:03:56 | |
Let's meet the people you're going to be playing against. | 0:03:56 | 0:03:59 | |
APPLAUSE AND CHEERING | 0:03:59 | 0:04:01 | |
Hold on, hold on! They say they're the Red Team. | 0:04:02 | 0:04:05 | |
Can't be too sure, can't let just anybody in here. | 0:04:05 | 0:04:08 | |
For security reasons. So, identify yourselves by names, please. | 0:04:08 | 0:04:11 | |
-Harriet! -Portia! -Lucy! -Harriet, Portia, Lucy. | 0:04:11 | 0:04:15 | |
Yup, that's right. | 0:04:15 | 0:04:17 | |
Under hidden talent on the security form, it says, Portia, | 0:04:17 | 0:04:20 | |
you can scream really loud. | 0:04:20 | 0:04:22 | |
-Yeah. -Well, go on then. | 0:04:22 | 0:04:24 | |
AHHHHHH! | 0:04:24 | 0:04:26 | |
Yup, OK, that, that was really loud! | 0:04:26 | 0:04:28 | |
You are the Red Team. Come through security, past Ninja Nan. | 0:04:28 | 0:04:31 | |
APPLAUSE AND CHEERING | 0:04:31 | 0:04:33 | |
Hello, Red Team. Welcome to Blast Lab. | 0:04:35 | 0:04:38 | |
-Where are you lot from? -ALL: Leicester! We're the Tireless Trio. | 0:04:38 | 0:04:44 | |
You're not! You're the Red Team! But, welcome to Blast Lab. | 0:04:44 | 0:04:47 | |
Thanks for coming. Good luck. It's time for round one. | 0:04:47 | 0:04:50 | |
So, teams, take your positions. | 0:04:50 | 0:04:52 | |
Go and get settled in, Red and Yellow teams. | 0:04:52 | 0:04:54 | |
Right, some cars can do 0 to 60 in two seconds. | 0:04:54 | 0:04:58 | |
Some cars can beat Einstein in a quiz. I have the latter. | 0:04:58 | 0:05:01 | |
He is the cleverest thing on four wheels. It's Oliver. | 0:05:01 | 0:05:04 | |
Oliver spends his time off roaming the globe to collect facts | 0:05:23 | 0:05:27 | |
for his high-tech fact nav. | 0:05:27 | 0:05:29 | |
I built it - so it doesn't always work. Some of the facts are true. | 0:05:29 | 0:05:33 | |
Some of the facts are false. | 0:05:33 | 0:05:35 | |
Fortunately, Oliver knows which is which. | 0:05:35 | 0:05:37 | |
So, I'm going to give each team a science fact. | 0:05:37 | 0:05:40 | |
They're going to tell me if they think it's right or wrong. | 0:05:40 | 0:05:43 | |
If it is true, Oliver will do this. | 0:05:43 | 0:05:45 | |
TOOTING AND HONKING | 0:05:45 | 0:05:47 | |
And, if it's false, Oliver will let us know, like this. | 0:05:48 | 0:05:52 | |
FOG HORN BLASTS | 0:05:52 | 0:05:54 | |
Simple enough. OK, teams, this is it. | 0:05:54 | 0:05:57 | |
Your first chance to earn points in Blast Lab. | 0:05:57 | 0:06:00 | |
OK, Reds, you're going first. | 0:06:00 | 0:06:02 | |
Here is your fact. You have to tell me whether this is true or false. | 0:06:02 | 0:06:05 | |
Sea water is heavier than fresh water. | 0:06:05 | 0:06:09 | |
Is it heavier than fresh water? Have a think. Audience, what do we think? | 0:06:09 | 0:06:13 | |
True! | 0:06:13 | 0:06:15 | |
A few false in there. | 0:06:15 | 0:06:17 | |
-Mostly true. What do we think? -I think it's true. | 0:06:17 | 0:06:20 | |
OK. True is the team's answer? | 0:06:20 | 0:06:23 | |
Oliver, is it true or false? | 0:06:23 | 0:06:25 | |
TOOTING AND HONKING | 0:06:25 | 0:06:27 | |
It's actually loaded with minerals, | 0:06:29 | 0:06:31 | |
so it weighs 24 kilograms more, per cubic metre, than fresh water. | 0:06:31 | 0:06:35 | |
Well done. That's the first point to you, Reds. OK, Yellows. | 0:06:35 | 0:06:38 | |
This is your chance to equalise. | 0:06:38 | 0:06:41 | |
The red colour of Mars | 0:06:41 | 0:06:44 | |
is created by rust. Is that true or false? | 0:06:44 | 0:06:47 | |
Have a think, have a think. | 0:06:47 | 0:06:49 | |
Audience, what do we think, is that true of false? | 0:06:49 | 0:06:52 | |
-True! -False! | 0:06:52 | 0:06:55 | |
Look at that, it's split the audience down the middle, I reckon. | 0:06:55 | 0:06:58 | |
Half, half. Have you had enough time to think about that one? | 0:06:58 | 0:07:01 | |
Your first chance to earn points. | 0:07:01 | 0:07:03 | |
Tom, MJ, Daryl. I don't like to make you nervous. | 0:07:03 | 0:07:06 | |
It's your first chance to equalise. What do we think? | 0:07:06 | 0:07:09 | |
-True. -You think that's true. Oliver, is it true or false? | 0:07:09 | 0:07:12 | |
TOOTING AND HONKING | 0:07:12 | 0:07:14 | |
It's true, well done! | 0:07:14 | 0:07:15 | |
That's the equalising point. They're on one a piece. | 0:07:15 | 0:07:18 | |
The reddy-orange colour of the surface of Mars is | 0:07:18 | 0:07:21 | |
caused by iron oxide, made by the reaction of iron with oxygen. | 0:07:21 | 0:07:24 | |
So it's just like when your car rusts. | 0:07:24 | 0:07:26 | |
Not that Oliver knows about that. | 0:07:26 | 0:07:28 | |
Because he wouldn't do anything like that. No. Right, your last question. | 0:07:28 | 0:07:32 | |
This one is a bit different. | 0:07:32 | 0:07:34 | |
This isn't a true or false question. I'm going to give you | 0:07:34 | 0:07:37 | |
an actual question. You've got to give me an answer. | 0:07:37 | 0:07:39 | |
Write it down on those pads in front of you. It's not that easy. | 0:07:39 | 0:07:42 | |
So, I'm going to give the point | 0:07:42 | 0:07:45 | |
to the team that's nearest to the correct answer. | 0:07:45 | 0:07:48 | |
And here comes the question. How tall was the tallest-ever iceberg? | 0:07:48 | 0:07:54 | |
What I want is the measurement, above the water line. | 0:07:54 | 0:07:57 | |
Let's go for metres, I think. | 0:07:57 | 0:07:59 | |
If you both turn round your boards now, so we can all have a look. | 0:07:59 | 0:08:02 | |
Reds, 75 metres. | 0:08:02 | 0:08:05 | |
Yellows, 1,500 metres. | 0:08:05 | 0:08:07 | |
Quite a range there - quite a difference. | 0:08:07 | 0:08:09 | |
Well, the actual answer is 168 metres tall. | 0:08:09 | 0:08:12 | |
Which means that the Red Team are the winners. Well done, Reds! | 0:08:12 | 0:08:17 | |
APPLAUSE AND CHEERING | 0:08:17 | 0:08:18 | |
It was the Melville Bay iceberg, | 0:08:18 | 0:08:20 | |
sighted off the coast of Greenland in 1958. | 0:08:20 | 0:08:23 | |
Otherwise you'd have noticed it, I'm sure. | 0:08:23 | 0:08:26 | |
At that height, it's as tall as 112 Ninja Nans, if you were wondering. | 0:08:26 | 0:08:30 | |
And wanted to measure it properly. | 0:08:30 | 0:08:31 | |
So, the points now are two to the Reds, one to the Yellows! | 0:08:31 | 0:08:34 | |
That is all to come. But first, it is mini science - | 0:08:46 | 0:08:49 | |
the round where our teams perform complex scientific experiments, | 0:08:49 | 0:08:53 | |
using simple household objects. | 0:08:53 | 0:08:55 | |
And, for this round, I need to break out the really big science guns. | 0:08:55 | 0:08:58 | |
Well, actually, quite a small one. | 0:08:58 | 0:09:00 | |
But she is the real science deal. It is Mini Miss! | 0:09:00 | 0:09:03 | |
-Hello, Richard. -Hello. Yes, slight mix up with the time machine. | 0:09:05 | 0:09:09 | |
So, my school science teacher is here in Blast Lab. | 0:09:09 | 0:09:11 | |
She just happens to be... ten years old. | 0:09:11 | 0:09:14 | |
-Yes, thanks for that, Richard. -Sorry. | 0:09:14 | 0:09:17 | |
So, what are we doing today, Miss? | 0:09:17 | 0:09:19 | |
Well, today's teams are going to be launching their very own rockets, | 0:09:19 | 0:09:23 | |
using straws, bottles and a foot pump. | 0:09:23 | 0:09:27 | |
They have six bottles to choose from. | 0:09:27 | 0:09:29 | |
Oh. So they all choose from these bottles. Once they've chosen | 0:09:29 | 0:09:33 | |
a bottle, how do they turn that into a rocket? | 0:09:33 | 0:09:35 | |
First, they have to attach it to their launch wire, | 0:09:35 | 0:09:38 | |
using a straw and some Velcro. | 0:09:38 | 0:09:41 | |
Then, once it's attached, they have to pump air | 0:09:41 | 0:09:45 | |
into the bottle, using a foot pump. | 0:09:45 | 0:09:47 | |
Eventually, the air should become so much inside the bottle, | 0:09:47 | 0:09:51 | |
that it forces the pump out. | 0:09:51 | 0:09:53 | |
-Oh, so, it turns into a rocket at that point. -Yes. | 0:09:53 | 0:09:56 | |
-That's clever. -Teams take it in turns to choose | 0:09:56 | 0:09:58 | |
and launch their rockets. | 0:09:58 | 0:09:59 | |
The team with the most points wins the game. | 0:09:59 | 0:10:02 | |
Fair enough. Red Team, you are in the lead at the moment, | 0:10:02 | 0:10:05 | |
so you get to go first in this. Launching a bottle rocket isn't that | 0:10:05 | 0:10:09 | |
easy. It's rocket science, after all. Mini Miss is going to take | 0:10:09 | 0:10:12 | |
you over to the launch pad and talk you through the process. | 0:10:12 | 0:10:16 | |
So if you'd all like to go over there with Mini Miss. | 0:10:16 | 0:10:19 | |
She's going to explain how to launch your bottle rockets. | 0:10:19 | 0:10:22 | |
See, the thing is, with these bottle rockets, | 0:10:22 | 0:10:25 | |
yes, we're using air pressure, to fire them up the wire. | 0:10:25 | 0:10:28 | |
But there's something else more important in action here, | 0:10:28 | 0:10:31 | |
something that was explained by one of Blast Lab's all-time heroes. | 0:10:31 | 0:10:36 | |
He really was the business. | 0:10:36 | 0:10:38 | |
Sir Isaac Newton. | 0:10:38 | 0:10:40 | |
A fabulously clever bloke, who did some very clever scientific stuff. | 0:10:42 | 0:10:47 | |
But he was probably best at explaining complicated things | 0:10:47 | 0:10:50 | |
so that we could all understand them. He came up with some laws, | 0:10:50 | 0:10:53 | |
about stuff that's going on around us all the time. | 0:10:53 | 0:10:56 | |
And his law number three explained how space rockets work. | 0:10:56 | 0:11:01 | |
Well, not directly, because space rockets hadn't been invented. | 0:11:01 | 0:11:05 | |
But it explained the principles that still happen today. | 0:11:05 | 0:11:09 | |
Basically, in every rocket, when it fires its engine to get up | 0:11:09 | 0:11:12 | |
into space, it pushes that way. And that means there's a push that way. | 0:11:12 | 0:11:16 | |
That was Newton's law, you see? | 0:11:16 | 0:11:18 | |
He said, for every shove that way, there's a shove that way. | 0:11:18 | 0:11:21 | |
For every action, there's an equal and opposite reaction. | 0:11:21 | 0:11:24 | |
So, as the rocket shoves that way, it goes that way. | 0:11:24 | 0:11:27 | |
And it's the same here. | 0:11:27 | 0:11:29 | |
As the air forces itself out that way, it pushes that way. | 0:11:29 | 0:11:32 | |
And that means the rocket goes that way. | 0:11:32 | 0:11:34 | |
Look at her, standing around. | 0:11:34 | 0:11:36 | |
Talking about Sir Isaac Newton's Third Law. What? | 0:11:36 | 0:11:40 | |
I've gone on a bit, haven't I? | 0:11:41 | 0:11:43 | |
You're ready to go, aren't you? Right, let's get on with this, then. | 0:11:43 | 0:11:47 | |
Reds, get into position there. Choose your rocket, please. | 0:11:47 | 0:11:50 | |
Yellows, go behind the table and await your turn. | 0:11:50 | 0:11:52 | |
-Reds, have you decided on your rocket? -Yeah. | 0:11:55 | 0:11:58 | |
-Which one is it? -That one. -Why? | 0:11:58 | 0:12:00 | |
Because it's very streamline. | 0:12:00 | 0:12:03 | |
Good, thinking about the aerodynamics of the thing? | 0:12:03 | 0:12:06 | |
Very good. OK, well, step up to the launch pad with your rocket. | 0:12:06 | 0:12:09 | |
Right, it's coming up to pressure now. Here we go. | 0:12:17 | 0:12:21 | |
Yeah! Oh... Well, you know, it's not space. | 0:12:22 | 0:12:25 | |
But it launched, it launched. | 0:12:25 | 0:12:28 | |
Personally, I'm... | 0:12:28 | 0:12:30 | |
APPLAUSE | 0:12:30 | 0:12:31 | |
Sadly, that doesn't score you any points at all. | 0:12:31 | 0:12:34 | |
It's not quite in the zone for one point. | 0:12:34 | 0:12:36 | |
Yellow team, choose your bottle, step up to the mark. | 0:12:39 | 0:12:42 | |
And do your launch. | 0:12:42 | 0:12:44 | |
Away we go. If is this is a bigger bottle, | 0:12:48 | 0:12:50 | |
it's going to take more air, isn't it? | 0:12:50 | 0:12:53 | |
Anybody got much to do, this evening? Busy tomorrow? | 0:12:56 | 0:13:00 | |
Wahey! Look at that! Wow. | 0:13:03 | 0:13:07 | |
Well, done, Yellows. | 0:13:09 | 0:13:10 | |
So, that's five points. Now, here's how it's going to work. | 0:13:10 | 0:13:13 | |
At the end of this, whoever's got the most points off there, will win | 0:13:13 | 0:13:17 | |
this game and win a point, overall. OK? | 0:13:17 | 0:13:19 | |
-Reds, which bottle for your next attempt? -That one. | 0:13:23 | 0:13:26 | |
The big one. Because? | 0:13:26 | 0:13:27 | |
-It carries far. -Frankly, because you just saw it work really well | 0:13:27 | 0:13:31 | |
and a scientist learning from experiments is what it's all about. | 0:13:31 | 0:13:34 | |
Lab rat, is that seal correct? | 0:13:37 | 0:13:40 | |
Get off there. | 0:13:40 | 0:13:41 | |
Here we go. OK, we're walking up towards a launch. | 0:13:44 | 0:13:47 | |
Keep pumping! Air's being squashed in, | 0:13:49 | 0:13:52 | |
when it wants to escape... | 0:13:52 | 0:13:54 | |
that's what will make this work. | 0:13:54 | 0:13:56 | |
We're all getting tired of going "whoa-a-a!" | 0:13:56 | 0:13:58 | |
Yes! Whoa, is that in the five zone? | 0:14:01 | 0:14:05 | |
Yes, it is. It's in the five zone. | 0:14:05 | 0:14:07 | |
Well, done. Good effort, Reds. Well done, well done. | 0:14:07 | 0:14:12 | |
-Right, Yellows, which rocket you going for now? -That one. | 0:14:14 | 0:14:17 | |
Oh, this one you can't use. This is Mini Miss's special one. | 0:14:17 | 0:14:20 | |
She'll get very angry. | 0:14:20 | 0:14:22 | |
Miss, they nearly took your own special rocket there. Which one? | 0:14:22 | 0:14:25 | |
-That one. -Why? -Because it's streamline, | 0:14:25 | 0:14:27 | |
-like the other one was. -So, you're thinking streamline? | 0:14:27 | 0:14:30 | |
OK, good luck, good luck. | 0:14:30 | 0:14:32 | |
All the time that air being pumped into the bottle, | 0:14:32 | 0:14:34 | |
squashed up to the end. Because you can compress it. | 0:14:34 | 0:14:37 | |
Oh! Oh, not bad. | 0:14:37 | 0:14:40 | |
APPLAUSE | 0:14:40 | 0:14:41 | |
I think that's in the two zone. It didn't quite make it to three. | 0:14:41 | 0:14:44 | |
Still, well done. | 0:14:44 | 0:14:45 | |
OK, Reds, you're going with that one because...? | 0:14:48 | 0:14:51 | |
-It is fat. -We just... -Hang on. This is a different issue. | 0:14:51 | 0:14:54 | |
Because you guys were talking about streamline. | 0:14:54 | 0:14:57 | |
This time you're talking about it's got more air in it. | 0:14:57 | 0:15:00 | |
That's why you want it. OK. | 0:15:00 | 0:15:02 | |
OK, Reds, you, at the moment, have a total of five points. | 0:15:04 | 0:15:09 | |
The Yellows have seven points. | 0:15:09 | 0:15:10 | |
So, unless you get three... | 0:15:10 | 0:15:12 | |
which will take you to eight overall on this... | 0:15:12 | 0:15:14 | |
you'll have lost. Keep going, keep pumping. | 0:15:14 | 0:15:17 | |
You can hear it's about to launch... | 0:15:17 | 0:15:21 | |
Yes! Whoa, well done! | 0:15:21 | 0:15:24 | |
Well done. | 0:15:26 | 0:15:28 | |
Reds on a total of nine. | 0:15:28 | 0:15:30 | |
So, Yellows are on a total of seven. | 0:15:31 | 0:15:34 | |
You need to get three or more with this to win. | 0:15:34 | 0:15:37 | |
Here we go. You can hear a bit of air escaping. | 0:15:49 | 0:15:53 | |
Ah, Yellows, I'm so sorry. That means then, the Reds win that game. | 0:15:53 | 0:15:58 | |
You win the point for the Reds. Well done! | 0:15:58 | 0:16:01 | |
APPLAUSE | 0:16:01 | 0:16:03 | |
Total scores, three, one. | 0:16:03 | 0:16:05 | |
So, our bottle rockets there, using just air, | 0:16:05 | 0:16:07 | |
and, of course, old Isaac Newton's Third Law. He really was brilliant. | 0:16:07 | 0:16:11 | |
Sorry, I'm a fan. I can't help it! | 0:16:11 | 0:16:13 | |
They're pretty effective, but we can make them more powerful | 0:16:13 | 0:16:16 | |
by changing the mixture of our rocket fuel. | 0:16:16 | 0:16:19 | |
And we don't have to add anything that explodes. | 0:16:19 | 0:16:21 | |
Just simple water will do. | 0:16:21 | 0:16:25 | |
This is a water rocket scientist. | 0:16:25 | 0:16:28 | |
Hello, I'm a water rocket scientist. | 0:16:28 | 0:16:30 | |
He claims that his rudimentary water rockets, made out of nothing more | 0:16:31 | 0:16:35 | |
than plastic bottles, sticky tape and an old bin bag... | 0:16:35 | 0:16:39 | |
can fly higher than a firework. Or even a distress flare. | 0:16:39 | 0:16:43 | |
In a brave attempt to teach my lab rats something useful, | 0:16:44 | 0:16:48 | |
he's going to show them how he builds his rockets. | 0:16:48 | 0:16:52 | |
They work using | 0:16:52 | 0:16:54 | |
a combination of high pressure and Newton's Third Law of Motion. | 0:16:54 | 0:16:58 | |
Our scientist part fills the rocket with water | 0:16:58 | 0:17:01 | |
and increases the pressure inside, until it's ready to burst. | 0:17:01 | 0:17:06 | |
Then, we simply release the pressure, | 0:17:06 | 0:17:08 | |
which allows the water to escape downwards with incredible force. | 0:17:08 | 0:17:12 | |
And this pushes the bottle rocket upwards and into the sky. | 0:17:16 | 0:17:21 | |
Meanwhile, my highly-focused lab rats are paying our expert as much | 0:17:21 | 0:17:25 | |
attention as they did to their teachers at school. | 0:17:25 | 0:17:28 | |
Right, enough of that. | 0:17:28 | 0:17:31 | |
It's time for a test. | 0:17:31 | 0:17:33 | |
Don't worry about the danger our lab rat assistants might be in here. | 0:17:34 | 0:17:39 | |
They're completely useless and bred for this type of thing. | 0:17:39 | 0:17:43 | |
And only they'd be stupid enough to get involved | 0:17:43 | 0:17:45 | |
with this sort of experiment. | 0:17:45 | 0:17:47 | |
Three... | 0:17:49 | 0:17:51 | |
Two... | 0:17:51 | 0:17:53 | |
One... | 0:17:53 | 0:17:55 | |
Blast off! | 0:17:55 | 0:17:57 | |
The firework was a slow starter. | 0:18:02 | 0:18:04 | |
But it's soon overtaken the water rocket. | 0:18:04 | 0:18:06 | |
The firework wins. | 0:18:11 | 0:18:13 | |
So, his small water rocket failed to beat the firework. | 0:18:13 | 0:18:17 | |
But how will our expert's biggest rocket | 0:18:17 | 0:18:19 | |
get on against this distress flare? | 0:18:19 | 0:18:22 | |
OK, let's hold that experiment right there. | 0:18:22 | 0:18:24 | |
There's an extra point in this... | 0:18:24 | 0:18:26 | |
The score right now, 3-1, possible extra point for you, Yellows. | 0:18:26 | 0:18:30 | |
..to the team that can tell me, will that big water rocket | 0:18:30 | 0:18:34 | |
-go higher than the distress flare? Reds, does it do it, or not? -Yes. | 0:18:34 | 0:18:39 | |
-You think it does. Yellows? -Yes. -You think it does. | 0:18:39 | 0:18:42 | |
The two points cancel each other out if you get it right. | 0:18:42 | 0:18:45 | |
There's only one way to find out - let's have a look at the experiment. | 0:18:45 | 0:18:48 | |
Our water rocket scientist is just making his final preparations | 0:18:48 | 0:18:53 | |
to his giant rocket. | 0:18:53 | 0:18:55 | |
Oh, it's gone off too early! | 0:18:55 | 0:18:57 | |
No, it looks like it's actually exploded. | 0:18:57 | 0:19:00 | |
The top of the rocket blew off. | 0:19:01 | 0:19:03 | |
But the bottom has been left behind. | 0:19:03 | 0:19:06 | |
Right then, Mr Scientist, | 0:19:06 | 0:19:08 | |
you've got one more chance with your back-up rocket. | 0:19:08 | 0:19:11 | |
Just get your preparations right this time. | 0:19:11 | 0:19:15 | |
Brilliant... The landing parachute's fallen off! | 0:19:15 | 0:19:18 | |
You've got one more chance, rocket boffin. Let's go. | 0:19:18 | 0:19:22 | |
OK, it hasn't gone off in his face, and the top hasn't fallen off. | 0:19:23 | 0:19:28 | |
Here we go. | 0:19:28 | 0:19:29 | |
Three... | 0:19:29 | 0:19:31 | |
Two...one... | 0:19:31 | 0:19:32 | |
Blast off! | 0:19:32 | 0:19:34 | |
The rocket's not going off... | 0:19:36 | 0:19:38 | |
The rocket is not going off! | 0:19:38 | 0:19:40 | |
The flare's gone about a kilometre up into the sky. | 0:19:40 | 0:19:43 | |
What's happening with the rocket? | 0:19:43 | 0:19:46 | |
Ah! | 0:19:46 | 0:19:47 | |
Watch out, lab rat! | 0:19:49 | 0:19:50 | |
Oh, just missed. | 0:19:51 | 0:19:53 | |
Well, thanks a lot, pal(!) | 0:19:53 | 0:19:55 | |
Your status as water rocket scientist has just been revoked. | 0:19:55 | 0:19:59 | |
Cheerio. | 0:19:59 | 0:20:01 | |
Sorry, guys, no points. | 0:20:01 | 0:20:04 | |
They didn't get points either. No points. | 0:20:04 | 0:20:06 | |
Right, time now, then, for you all to go off | 0:20:06 | 0:20:09 | |
and get ready for The Messy Messy Mess Test. | 0:20:09 | 0:20:11 | |
Go and get your outfits on. You need your protective clothing. | 0:20:11 | 0:20:15 | |
Trust me, you do need... | 0:20:15 | 0:20:16 | |
Ohhh, that's bad! | 0:20:16 | 0:20:18 | |
The water wheel's stopped outside. Means we've lost power. | 0:20:18 | 0:20:21 | |
Never mind, I've made contingency plans! | 0:20:21 | 0:20:24 | |
It's time to switch to emergency power. Lab rat! | 0:20:24 | 0:20:27 | |
Get on that foot pump, please. | 0:20:27 | 0:20:29 | |
Go on, on the foot pump! Charge it up. | 0:20:29 | 0:20:31 | |
There you go. It's brilliant, this. I made it myself. Look at that. | 0:20:31 | 0:20:35 | |
Probably every home should have one. | 0:20:35 | 0:20:37 | |
It's perfectly green. But it'd take too long to explain. | 0:20:37 | 0:20:40 | |
You carry on with that, thank you, | 0:20:40 | 0:20:42 | |
while we move on to The Messy Messy Mess Test... | 0:20:42 | 0:20:44 | |
..which today is in the septic tank. | 0:20:48 | 0:20:52 | |
This is where all the waste from my different experiments goes. | 0:20:52 | 0:20:55 | |
Actually, I managed to create a new type of tiny bacteria, | 0:20:55 | 0:20:59 | |
the other day, that will eat away all the bad things in here, | 0:20:59 | 0:21:02 | |
and convert it into pure water. It's brilliant. | 0:21:02 | 0:21:05 | |
Unfortunately, one of the chemicals I threw away in here | 0:21:05 | 0:21:08 | |
made some of the tiny bacteria mutate, | 0:21:08 | 0:21:11 | |
to about the size of a medium rat. | 0:21:11 | 0:21:14 | |
So, you might want to look out for those, in there... | 0:21:14 | 0:21:17 | |
Here is the game, then. Hidden in this tank are discs. | 0:21:17 | 0:21:20 | |
Some, like this, are duds. | 0:21:20 | 0:21:22 | |
But the ones you're after are like these, held by my lab rat. | 0:21:22 | 0:21:26 | |
They feature your team's colour, and the name of prizes. | 0:21:26 | 0:21:30 | |
Things like MP3 players, a Bopit, maybe a radio-controlled mosquito. | 0:21:30 | 0:21:36 | |
Lab rat, hide those, and get out. | 0:21:36 | 0:21:38 | |
Thank you. Your job, teams, is to get as many prize discs as you can, | 0:21:38 | 0:21:42 | |
with your team's colour, out of there and into these baskets. | 0:21:42 | 0:21:45 | |
We have one for yellow and one for red. | 0:21:45 | 0:21:48 | |
The team to get the most prize discs into their baskets | 0:21:48 | 0:21:51 | |
will take home the prizes written on them. | 0:21:51 | 0:21:53 | |
The losing team has to blow their prizes up. | 0:21:53 | 0:21:57 | |
There's one further complication this week. | 0:21:57 | 0:21:59 | |
Harriet, show us your arm. | 0:21:59 | 0:22:02 | |
You've bust it. | 0:22:02 | 0:22:04 | |
Clearly, with a broken arm, | 0:22:04 | 0:22:06 | |
messing about in the septic tank is out of the question. | 0:22:06 | 0:22:09 | |
Fortunately Harriet's brother, George, has volunteered | 0:22:09 | 0:22:12 | |
to stand in and do it for her! Which I think is a pretty noble gesture. | 0:22:12 | 0:22:17 | |
You didn't break this just to get out of going in there, did you? | 0:22:17 | 0:22:20 | |
-No. -No. You did that weeks ago. -Yes. | 0:22:20 | 0:22:22 | |
I think that's a pretty decent excuse. | 0:22:22 | 0:22:24 | |
Red Team, you start first because you've got the most points, | 0:22:24 | 0:22:27 | |
and they've earned you a five-second advantage. | 0:22:27 | 0:22:31 | |
When you hear the first siren, start looking for prize discs. | 0:22:31 | 0:22:35 | |
But Yellow Team, you listen out. As soon as you hear the second siren, | 0:22:35 | 0:22:39 | |
you can start. | 0:22:39 | 0:22:40 | |
You have some time to get as many prize discs as you can | 0:22:40 | 0:22:43 | |
into these baskets. | 0:22:43 | 0:22:44 | |
And that some time starts... | 0:22:44 | 0:22:46 | |
NOW! | 0:22:46 | 0:22:47 | |
SIREN WAILS | 0:22:47 | 0:22:49 | |
Into the septic gunge dive the Reds. | 0:22:49 | 0:22:51 | |
Without a single thought for their own safety. Or personal hygiene. | 0:22:51 | 0:22:55 | |
-SIREN WAILS -The second siren... | 0:22:55 | 0:22:57 | |
and the Yellows immediately getting stuck in. | 0:22:57 | 0:22:59 | |
Quite literally, getting stuck in... | 0:22:59 | 0:23:03 | |
The Yellows already finding prize discs. | 0:23:03 | 0:23:06 | |
Come on, Reds. He might be losing his hat, | 0:23:06 | 0:23:08 | |
but that is another prize disc already, for the Yellows! | 0:23:08 | 0:23:12 | |
What's going on, Reds? | 0:23:12 | 0:23:13 | |
Their basket is empty, while the Yellows' is bulging already. | 0:23:13 | 0:23:18 | |
The Reds seem to have a knack for finding all of the fake discs. | 0:23:18 | 0:23:21 | |
A commendable achievement, | 0:23:21 | 0:23:23 | |
but one that will earn them exactly no prizes! | 0:23:23 | 0:23:27 | |
Oh, and another white disc in the red basket. Brilliant. | 0:23:27 | 0:23:32 | |
It's amazing. Every time I forget to warn them that, | 0:23:33 | 0:23:36 | |
sometimes, the pipes will spew out | 0:23:36 | 0:23:38 | |
more of the hideous, nameless goo into the tank. | 0:23:38 | 0:23:42 | |
But they do bring prize discs with them, sometimes. | 0:23:42 | 0:23:46 | |
So, there's a positive side. | 0:23:46 | 0:23:47 | |
Looks like Reds are getting their act together. | 0:23:53 | 0:23:56 | |
But do they have enough time? | 0:23:56 | 0:23:57 | |
Who knows, with my "some time" clock! | 0:23:57 | 0:24:00 | |
GIRL SHRIEKS | 0:24:06 | 0:24:08 | |
Oh, a huge septic gunk shower there, | 0:24:08 | 0:24:10 | |
for an unfortunate member of the Red Team. | 0:24:10 | 0:24:12 | |
I think that shriek said it all. | 0:24:12 | 0:24:15 | |
The Reds then, in a complete mess, | 0:24:15 | 0:24:17 | |
while the Yellows methodically go about their business. | 0:24:17 | 0:24:21 | |
But with both baskets looking pretty healthy now, it's anyone's guess | 0:24:21 | 0:24:25 | |
who will emerge from the gunge, to the sweet smell of victory. | 0:24:25 | 0:24:28 | |
And who will just...smell. | 0:24:28 | 0:24:30 | |
END-OF-GAME BUZZER | 0:24:34 | 0:24:35 | |
Time is up, time is up. | 0:24:35 | 0:24:39 | |
You're all still with us. | 0:24:39 | 0:24:40 | |
George, thank you for standing in there. Well done. | 0:24:40 | 0:24:43 | |
Let's see which team has won. | 0:24:43 | 0:24:45 | |
How many then for the Reds, lab rat? | 0:24:45 | 0:24:48 | |
Seven for the Reds! Well done. Well done. | 0:24:48 | 0:24:51 | |
APPLAUSE | 0:24:51 | 0:24:52 | |
But let's find out if that's enough to clinch it. | 0:24:52 | 0:24:55 | |
Lab rat, how many for the Yellows? | 0:24:55 | 0:24:56 | |
Nine? Nine for the Yellows? That's amazing. | 0:24:56 | 0:25:02 | |
Yellows, that's incredible. You're each going to take home with you... | 0:25:02 | 0:25:06 | |
a crystal growing kit... | 0:25:06 | 0:25:09 | |
plug and play electronic kit... | 0:25:09 | 0:25:11 | |
white wings glider kit... | 0:25:11 | 0:25:13 | |
remote control mosquito... | 0:25:13 | 0:25:16 | |
cosmic flashing scooter... | 0:25:16 | 0:25:18 | |
a chemistry set... | 0:25:18 | 0:25:21 | |
Robo Bugs... | 0:25:21 | 0:25:24 | |
kitchen chemistry set... | 0:25:24 | 0:25:26 | |
a microscope. | 0:25:26 | 0:25:28 | |
-Is this part of it? -Yes-s-s... -No, it's not. -Yes, it is. | 0:25:28 | 0:25:30 | |
That didn't get in there. Sorry, lads, the disc wasn't in. | 0:25:30 | 0:25:34 | |
Is this the time to appear ungrateful, Tom? Let's think. | 0:25:34 | 0:25:36 | |
You're taking home one of those each. | 0:25:36 | 0:25:39 | |
Whereas the Red Team have a rather different fate awaiting them. | 0:25:39 | 0:25:42 | |
Because all of these prize discs are what you would have won. | 0:25:42 | 0:25:46 | |
-Cosmic flashing scooter... -Ohh. | 0:25:46 | 0:25:48 | |
..Bopit. That would have been nice. | 0:25:48 | 0:25:51 | |
White wings glider kit, that would have been handy. Yeah. | 0:25:51 | 0:25:54 | |
Robo Bugs, nice. | 0:25:54 | 0:25:57 | |
A microscope...oh, yeah. | 0:25:57 | 0:26:00 | |
An MP3 player each. That would have been nice. | 0:26:00 | 0:26:03 | |
And chemistry set. You would've won one. | 0:26:03 | 0:26:05 | |
But, instead of taking them home, | 0:26:05 | 0:26:07 | |
you're going to blow them up. It's Bidet Goes Bang! | 0:26:07 | 0:26:10 | |
It's that time, in the Blast Lab, once again. | 0:26:18 | 0:26:21 | |
When, strangely, one team, | 0:26:21 | 0:26:23 | |
the team standing behind a massive pile of prizes, looks really happy. | 0:26:23 | 0:26:27 | |
Yellows, well done. You won. | 0:26:27 | 0:26:29 | |
All of that lot going home with you. | 0:26:29 | 0:26:31 | |
The other team, today the Reds, | 0:26:31 | 0:26:33 | |
not...quite...so happy. How you feeling? | 0:26:33 | 0:26:37 | |
-Sad. -Yeah, well, you know, somebody had to win. | 0:26:37 | 0:26:40 | |
Somebody had to lose. That's how it goes. Like Newton's Third Law - | 0:26:40 | 0:26:44 | |
There's an equal... I won't go on about it again, right now. | 0:26:44 | 0:26:47 | |
What do you think went wrong? | 0:26:47 | 0:26:49 | |
-BOTH: We weren't quick enough. -It's really difficult in there. | 0:26:49 | 0:26:52 | |
Bad luck, Reds. Who's going to push the plunger, and do the dirty deed? | 0:26:52 | 0:26:56 | |
-All of us. -I think that's probably the best way to do it. | 0:26:56 | 0:26:59 | |
Right, the moment is nearly upon us. | 0:26:59 | 0:27:01 | |
In this very lab, I've tried exploding things in kettles, | 0:27:01 | 0:27:04 | |
exploding things in vases. But, if there's one thing I've learnt, | 0:27:04 | 0:27:07 | |
it's that you always get the best bang from a bidet. | 0:27:07 | 0:27:10 | |
And here it is, with your prizes in. | 0:27:10 | 0:27:13 | |
Reds, if you'd like to step forward, please. | 0:27:13 | 0:27:15 | |
Make ready with the plunger. Lift it up... | 0:27:15 | 0:27:17 | |
We'll all give you the countdown. All ready, audience? | 0:27:17 | 0:27:20 | |
Five, four, three, two, one! | 0:27:20 | 0:27:25 | |
Yup, there you go, there you go. Bad luck, Reds. Well done, Yellows. | 0:27:29 | 0:27:33 | |
Today we've learned about Newton's Third Law - | 0:27:33 | 0:27:36 | |
every action has an equal and opposite reaction. | 0:27:36 | 0:27:38 | |
And that not all rockets go quite to plan. See you next time. | 0:27:38 | 0:27:42 | |
APPLAUSE | 0:27:42 | 0:27:43 | |
Sorry, Reds. Well done, Yellows. | 0:27:43 | 0:27:46 | |
Blast Lab was recorded in front of a live studio audience. | 0:27:50 | 0:27:54 | |
No lab rats were hurt during filming... Probably. | 0:27:54 | 0:27:57 | |
Wouldn't have felt it if they were. | 0:27:57 | 0:27:59 | |
Subtitles by Red Bee Media Ltd | 0:28:05 | 0:28:08 | |
E-mail [email protected] | 0:28:08 | 0:28:12 |