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But how hard can this be? We're both scientists. | 0:00:35 | 0:00:37 | |
Eh, plug the monitor cable | 0:00:37 | 0:00:39 | |
into the other socket on the back of the computer. | 0:00:39 | 0:00:42 | |
ELECTRICAL BUZZING | 0:00:42 | 0:00:43 | |
EXPLOSION | 0:00:43 | 0:00:46 | |
Ah... No, no, it's worked, it's fixed. | 0:00:46 | 0:00:48 | |
Well done! You did it. Have a seat. You'll be fine. | 0:00:48 | 0:00:50 | |
Hello, I'm Richard Hammond. This is my Blast Lab! | 0:00:50 | 0:00:53 | |
CHEERING | 0:00:53 | 0:00:57 | |
I called it that because when things go wrong, and they do, sometimes, | 0:00:57 | 0:01:01 | |
you will often hear me shout, "Blast!" | 0:01:01 | 0:01:03 | |
In a moment or two, | 0:01:03 | 0:01:04 | |
we'll be meeting two teams of budding young scientists, | 0:01:04 | 0:01:07 | |
who'll be taking part in scientific challenges and contests | 0:01:07 | 0:01:11 | |
here in my secret lab. | 0:01:11 | 0:01:12 | |
Although, now I've told you it's secret, it's no longer a secret. | 0:01:12 | 0:01:16 | |
Oh, blast! | 0:01:16 | 0:01:17 | |
Unfortunately, my SAS protection force | 0:01:30 | 0:01:33 | |
can't be here to guard the lab today, | 0:01:33 | 0:01:35 | |
because they're attending extra classes in flower arranging. | 0:01:35 | 0:01:38 | |
They don't want to miss a lesson cos it'll spoil the course. | 0:01:38 | 0:01:41 | |
But never mind, because I've made arrangements of my own. | 0:01:41 | 0:01:44 | |
She's an expert in ninjitsu - my nan. | 0:01:44 | 0:01:47 | |
She can break a brick clean in half with her head, | 0:01:47 | 0:01:50 | |
which is quite useful for cutting the cakes that she bakes. | 0:01:50 | 0:01:54 | |
She is, of course, my Ninja Nan! | 0:01:54 | 0:01:55 | |
CHEERING | 0:01:57 | 0:02:00 | |
Ninja Nan. Thank you for standing in. | 0:02:05 | 0:02:09 | |
Yes, she looks fragile. She is, in fact, a fully trained ninja. | 0:02:09 | 0:02:12 | |
KUNG-FU MOVIE SOUND EFFECTS | 0:02:12 | 0:02:17 | |
See? | 0:02:17 | 0:02:18 | |
Nan, if you'd like to make your way through security and get settled in. | 0:02:18 | 0:02:22 | |
Nan? Turn it up! | 0:02:22 | 0:02:23 | |
Thank you. If you'd like to make your way into security. | 0:02:23 | 0:02:26 | |
Thank you, very much, indeed. There she goes. Look at her move. | 0:02:26 | 0:02:31 | |
She's so tough, she eats that cereal with the lion on the front of it. | 0:02:31 | 0:02:35 | |
Not the flakes, the actual lion bit! | 0:02:35 | 0:02:37 | |
Ninja Nan, are you settled into security yet? | 0:02:37 | 0:02:40 | |
Oh, lab rat's in the chair. She's not going to... | 0:02:40 | 0:02:43 | |
No, she didn't like that. Sorry, lab rat. | 0:02:43 | 0:02:45 | |
Sorry. She can get settled in now and be ready to guard us all. | 0:02:45 | 0:02:49 | |
It's a great feeling of security that you get, knowing she's there. | 0:02:49 | 0:02:53 | |
We shall now meet the teams | 0:02:53 | 0:02:55 | |
who are trying to get into my lab today. | 0:02:55 | 0:02:57 | |
Come on out! | 0:02:57 | 0:02:58 | |
They say they're the Yellow Team, but we don't know. | 0:03:00 | 0:03:03 | |
We can't be too careful. This is a top secret lab | 0:03:03 | 0:03:05 | |
so I've got some security checks. | 0:03:05 | 0:03:07 | |
First of all, identify yourselves by name. | 0:03:07 | 0:03:10 | |
-Lewis. -Louisa. -Harry. | 0:03:10 | 0:03:14 | |
Lewis, Louisa, Harry. Yes, that all checks out fine. | 0:03:14 | 0:03:16 | |
"Hidden Talent". | 0:03:16 | 0:03:18 | |
It says here that you can all dance. Can you? | 0:03:18 | 0:03:21 | |
ALL: Yes. | 0:03:21 | 0:03:23 | |
Prove it. | 0:03:23 | 0:03:24 | |
Yeah, well... I'd say that was... | 0:03:26 | 0:03:28 | |
Do you know, I can almost hear the music, watching that. | 0:03:28 | 0:03:31 | |
Nearly. | 0:03:31 | 0:03:32 | |
Yeah, I would say that's a dance routine going on there | 0:03:32 | 0:03:35 | |
and it's a grand finish. | 0:03:35 | 0:03:36 | |
You're cleared through security. Come in! | 0:03:36 | 0:03:39 | |
CHEERING | 0:03:39 | 0:03:41 | |
Sorry, Yellow Team. I can't be too careful. | 0:03:44 | 0:03:47 | |
People want to get in here. | 0:03:47 | 0:03:48 | |
Got to make sure. Where are you all from? | 0:03:48 | 0:03:50 | |
Essex! And we are Teamtastic Fantastic! | 0:03:50 | 0:03:56 | |
You've got your own name! | 0:03:56 | 0:03:58 | |
You don't need it. You're the Yellow Team. | 0:03:58 | 0:04:00 | |
Lovely to have you here. Now we're gonna meet the bunch of people | 0:04:00 | 0:04:03 | |
who claim to be your opposition. | 0:04:03 | 0:04:05 | |
They say they're the Reds. | 0:04:05 | 0:04:07 | |
CHEERING | 0:04:07 | 0:04:10 | |
Hold it there. They've only got as far as security. | 0:04:10 | 0:04:13 | |
They're not past Ninja Nan, because... | 0:04:13 | 0:04:15 | |
Well, I don't know who you are yet. You haven't proved it. | 0:04:15 | 0:04:18 | |
For security, your names, please, | 0:04:18 | 0:04:20 | |
so I can check them off the list. | 0:04:20 | 0:04:22 | |
-Robert. -Jenny. -Ollie. | 0:04:22 | 0:04:24 | |
Yeah, Robert, Jenny, Ollie, that checks out. | 0:04:24 | 0:04:28 | |
Ollie, I've got your name here. | 0:04:28 | 0:04:29 | |
Under "Hidden Talent", it says break-dancing. | 0:04:29 | 0:04:32 | |
-Yeah. -Really? -Yeah. -Prove it. -OK. | 0:04:32 | 0:04:35 | |
Yeah, I'd say that was a bit of break-dancing. | 0:04:40 | 0:04:42 | |
You're cleared through security. Come into the Blast Lab. | 0:04:42 | 0:04:45 | |
CHEERING | 0:04:45 | 0:04:49 | |
I believe you. | 0:04:49 | 0:04:51 | |
Welcome to the lab. Where are you all from? | 0:04:51 | 0:04:53 | |
Devon. And we're the Explosive Loonies. | 0:04:53 | 0:04:57 | |
Clever name, but useless. You're the Red Team and that's that. | 0:04:57 | 0:05:00 | |
Lovely to have you here, though. These are our teams. | 0:05:00 | 0:05:03 | |
It's time for them to go and get settled in, ready to play round one. | 0:05:03 | 0:05:07 | |
Away you go, go and get comfortable. | 0:05:07 | 0:05:09 | |
To help us out I'd like to introduce a friend of mine. | 0:05:09 | 0:05:12 | |
He is the thinking man's Rolls-Royce | 0:05:12 | 0:05:14 | |
and the gullible man's Ferrari. | 0:05:14 | 0:05:16 | |
It is Oliver! | 0:05:16 | 0:05:17 | |
CHEERING | 0:05:34 | 0:05:37 | |
He may look old and rusty... Well, he is old and rusty, | 0:05:37 | 0:05:40 | |
but you always know where you are with Oliver. | 0:05:40 | 0:05:42 | |
Actually, even that isn't strictly true, | 0:05:42 | 0:05:44 | |
because I've taken his sat nav out, | 0:05:44 | 0:05:47 | |
and replaced it with a hi-tech Fact Nav system. | 0:05:47 | 0:05:50 | |
The only thing is, because I fitted it, it doesn't always work. | 0:05:50 | 0:05:53 | |
A lot of the facts in there are incorrect. | 0:05:53 | 0:05:56 | |
So it's up to my two teams to decide which are true and which are false. | 0:05:56 | 0:06:00 | |
Oliver will then give us the real answer. | 0:06:00 | 0:06:02 | |
-If it's true, he'll do this... -HORNS BLARE | 0:06:02 | 0:06:06 | |
-And if it's false, he'll do this... -SHIP'S HORN BOOMS | 0:06:06 | 0:06:11 | |
OK, teams, this is your first chance to earn points in Blast Lab. | 0:06:11 | 0:06:16 | |
Reds, you're going first. | 0:06:16 | 0:06:17 | |
Here is your fact. You have to tell me if this is true or false. | 0:06:17 | 0:06:20 | |
Recycling one aluminium can | 0:06:20 | 0:06:24 | |
saves enough energy to power a television for three hours. | 0:06:24 | 0:06:27 | |
Is that true or false? | 0:06:27 | 0:06:29 | |
Have a chat, have a talk. Talk about it. | 0:06:29 | 0:06:31 | |
THEY WHISPER | 0:06:31 | 0:06:32 | |
Audience, what do we think? True or false? | 0:06:32 | 0:06:34 | |
AUDIENCE: True! | 0:06:34 | 0:06:38 | |
Most, well, nearly all... I saw a few mind changes down here. | 0:06:38 | 0:06:42 | |
I'm not sure. That's what the audience think. | 0:06:42 | 0:06:44 | |
Don't just do what they say. | 0:06:44 | 0:06:46 | |
They don't always know everything. You're the experts. | 0:06:46 | 0:06:49 | |
-We've worked it out. -What are you going to say? | 0:06:49 | 0:06:52 | |
-True. -True. -Yeah. -OK. | 0:06:52 | 0:06:54 | |
Oliver, is it true or false? | 0:06:54 | 0:06:56 | |
-HORNS BLARE -It's true! | 0:06:56 | 0:06:58 | |
That's a point for the Red Team straight away. Well done. | 0:06:58 | 0:07:01 | |
Recycling aluminium saves 95% of the energy used to make it from scratch, | 0:07:01 | 0:07:05 | |
but that doesn't take into account, | 0:07:05 | 0:07:07 | |
you've to transport the aluminium, | 0:07:07 | 0:07:09 | |
or collect the cans - it's a complicated thing to work out. | 0:07:09 | 0:07:12 | |
But aluminium can be recycled again and again and again - | 0:07:12 | 0:07:17 | |
reprocessing doesn't damage it. See? | 0:07:17 | 0:07:19 | |
That's new stuff you didn't know. Yellows, time for your science fact. | 0:07:19 | 0:07:23 | |
Here it comes. You have to tell me, is this true or false? | 0:07:23 | 0:07:26 | |
Most meteors and meteoroids | 0:07:26 | 0:07:28 | |
are the size of a small car. | 0:07:28 | 0:07:31 | |
Such as, for instance... | 0:07:31 | 0:07:32 | |
Oliver. Is that true or false? | 0:07:32 | 0:07:35 | |
Have a think between you. | 0:07:35 | 0:07:37 | |
Audience, what do we reckon, is that true or false? | 0:07:37 | 0:07:40 | |
AUDIENCE SHOUTS | 0:07:40 | 0:07:44 | |
We're splitting the audience. There's a load of false there, | 0:07:44 | 0:07:47 | |
a load of true. I reckon it's about half and half. | 0:07:47 | 0:07:50 | |
Have we come up with an answer? | 0:07:50 | 0:07:53 | |
-False. -You reckon it's false. Does anybody know the answer to this, | 0:07:53 | 0:07:57 | |
did anybody have any information? | 0:07:57 | 0:07:59 | |
-ALL: No, we just voted. -You voted? | 0:07:59 | 0:08:02 | |
I like that. It's a team decision. | 0:08:02 | 0:08:05 | |
You're agreed, false. Oliver, is it true or false? Tell us. | 0:08:05 | 0:08:08 | |
-SHIP'S HORN BOOMS -It is false. | 0:08:08 | 0:08:09 | |
That means a point to the Yellows as well! | 0:08:09 | 0:08:11 | |
CHEERING | 0:08:11 | 0:08:14 | |
Most meteoroid particles are small, | 0:08:14 | 0:08:16 | |
ranging from a small grain of sand to a pea-sized pebble. | 0:08:16 | 0:08:19 | |
They don't sound exciting when you say that. | 0:08:19 | 0:08:21 | |
You think of them crashing to earth. Argh! And it's a small...pea. | 0:08:21 | 0:08:26 | |
Not as dramatic, really. Not very good for films. | 0:08:26 | 0:08:28 | |
Right, the third question. This one isn't a true or false. | 0:08:28 | 0:08:32 | |
This is the one I want you to answer. | 0:08:32 | 0:08:34 | |
Write your answers on the boards. | 0:08:34 | 0:08:35 | |
Have a good think first. Here comes the question. | 0:08:35 | 0:08:38 | |
The Atlantic Ocean is increasing in width every year, | 0:08:38 | 0:08:42 | |
but by how much? | 0:08:42 | 0:08:46 | |
Audience, anybody here got a clue? Any idea about that? | 0:08:46 | 0:08:49 | |
I can come and ask you, | 0:08:49 | 0:08:50 | |
using one of my inventions that I made here in the lab. It's a boot, | 0:08:50 | 0:08:54 | |
I know, rather a stylish item, but it's combined with a microphone. | 0:08:54 | 0:08:59 | |
Very, very hi-tech, and it works. | 0:08:59 | 0:09:02 | |
-A kilometre? -I'm not going to answer. Any ideas? | 0:09:02 | 0:09:04 | |
-Three metres? -Three metres. I'm thinking I might give... | 0:09:04 | 0:09:08 | |
the audience and the teams a clue... | 0:09:08 | 0:09:13 | |
by telling you that the answer is going to be in centimetres. | 0:09:13 | 0:09:17 | |
Audience, what do you reckon? | 0:09:17 | 0:09:19 | |
-Seven centimetres? -OK, any other ideas? Anybody else? | 0:09:19 | 0:09:22 | |
-No, anybody got a clue? We have... -50cm? | 0:09:22 | 0:09:27 | |
You're just naming numbers! OK. | 0:09:27 | 0:09:29 | |
Well, we have stumped the audience. | 0:09:29 | 0:09:30 | |
I don't think I've seen that happen before. | 0:09:30 | 0:09:33 | |
Teams, have you written an answer down? | 0:09:33 | 0:09:35 | |
Yellows, you've agreed an answer. Reds, have you agreed an answer? | 0:09:35 | 0:09:38 | |
-ALL: Yes. -OK. | 0:09:38 | 0:09:40 | |
Show us your answers. | 0:09:40 | 0:09:41 | |
The Atlantic Ocean increases in width every year by... | 0:09:41 | 0:09:44 | |
the Reds say 90 centimetres. The Yellows say 100 centimetres. | 0:09:44 | 0:09:50 | |
We're both going for round about the metre mark. | 0:09:50 | 0:09:54 | |
I can tell you the real answer is 3 centimetres every year - | 0:09:54 | 0:09:58 | |
the Reds take the points! | 0:09:58 | 0:10:00 | |
CHEERING AND APPLAUSE | 0:10:00 | 0:10:02 | |
The score is 2-1 to the Reds after the first round. | 0:10:02 | 0:10:07 | |
CHEERING | 0:10:19 | 0:10:21 | |
That's all to come. Right now it is time for Mini Science. | 0:10:21 | 0:10:24 | |
This is a round where our teams | 0:10:24 | 0:10:25 | |
use ordinary, boring household objects | 0:10:25 | 0:10:28 | |
to conduct extraordinary scientific experiments. | 0:10:28 | 0:10:31 | |
To help with this, | 0:10:31 | 0:10:32 | |
I wanted to bring back my old science teacher from school. | 0:10:32 | 0:10:35 | |
So I invented a time machine, and it worked! | 0:10:35 | 0:10:38 | |
A bit too well as it turned out, | 0:10:38 | 0:10:40 | |
because she came back as a 10-year-old. | 0:10:40 | 0:10:42 | |
I'm talking, of course, of our Mini Miss! | 0:10:42 | 0:10:44 | |
CHEERING | 0:10:47 | 0:10:49 | |
You really are my science teacher from school? | 0:10:49 | 0:10:52 | |
Oh, yes, I spent seven years trying to drum science | 0:10:52 | 0:10:56 | |
into your little brain, Richard. | 0:10:56 | 0:10:58 | |
It was a horrendous experience. | 0:10:58 | 0:11:00 | |
-Sorry about that one, Miss. -I won't forget that in a hurry. | 0:11:00 | 0:11:04 | |
Sorry, Miss. It's time for Mini Science. | 0:11:04 | 0:11:06 | |
-What are we doing today? -We're looking at the Archimedes principle. | 0:11:06 | 0:11:11 | |
This means that for something to float | 0:11:11 | 0:11:13 | |
-it has to displace its weight in the water. -OK. | 0:11:13 | 0:11:16 | |
The size and weight of an object determines whether it will do this, | 0:11:16 | 0:11:20 | |
-or not. -Miss, can I demonstrate this? | 0:11:20 | 0:11:22 | |
-Yes. -I've worked something out here. | 0:11:22 | 0:11:24 | |
I have here some modelling clay that I've formed into a shape. | 0:11:24 | 0:11:29 | |
Now this I put in the tank here. | 0:11:29 | 0:11:31 | |
It floats. | 0:11:31 | 0:11:33 | |
What it's doing is what the Archimedes principle says - | 0:11:33 | 0:11:35 | |
it's displacing, pushing away an amount of water that, | 0:11:35 | 0:11:38 | |
if you took that amount of water, | 0:11:38 | 0:11:41 | |
would weigh more than the lump of modelling clay. | 0:11:41 | 0:11:43 | |
It's the shape that's doing it. | 0:11:43 | 0:11:45 | |
If I change the shape, and turn it into just a lump, | 0:11:45 | 0:11:48 | |
this is the same modelling clay, it weighs the same as before. | 0:11:48 | 0:11:52 | |
The only thing that's changed is the shape, | 0:11:52 | 0:11:54 | |
and the way that will work in the water. It sinks immediately. | 0:11:54 | 0:11:57 | |
It's no longer pushing away, displacing an amount of water | 0:11:57 | 0:12:00 | |
that's equal, or more than, what it weighs. | 0:12:00 | 0:12:03 | |
-That's correct, isn't it, Miss? -Yes. -I worked that out myself. | 0:12:03 | 0:12:06 | |
The teams are going to test different objects to see if they sink or float. | 0:12:06 | 0:12:10 | |
They have six objects to choose from. | 0:12:10 | 0:12:12 | |
They are a small orange, a magnifying glass, | 0:12:12 | 0:12:15 | |
a tennis racquet, a rolling pin, a melon and a sieve. | 0:12:15 | 0:12:18 | |
The teams have to take it in turns to choose objects | 0:12:18 | 0:12:21 | |
which they think will float, and test them by dropping them in the water. | 0:12:21 | 0:12:24 | |
OK, so that's the game, teams. | 0:12:24 | 0:12:26 | |
You've got six objects in front of you. Those are between you all. | 0:12:26 | 0:12:30 | |
Each team chooses an object. | 0:12:30 | 0:12:32 | |
You then bring it over here to Archimedes' very own bath | 0:12:32 | 0:12:35 | |
that we have here in the Blast Lab, and put it in. | 0:12:35 | 0:12:39 | |
Then it's the moment of truth, we'll see if it floats. | 0:12:39 | 0:12:43 | |
The winning team is the team to choose | 0:12:43 | 0:12:45 | |
the number of objects that float. | 0:12:45 | 0:12:47 | |
-Reds, you're ahead right now on points. -Yup. | 0:12:47 | 0:12:50 | |
So you get to choose whether you go first or second. | 0:12:50 | 0:12:53 | |
I'll give you time to think about that. | 0:12:53 | 0:12:55 | |
-Reds, are you going first or second? -ALL: First. | 0:12:57 | 0:12:59 | |
You're going first. OK, well, step up, | 0:12:59 | 0:13:01 | |
look at the six objects. | 0:13:01 | 0:13:03 | |
-Reds, made your decision? -ALL: Yes. | 0:13:05 | 0:13:07 | |
Which object are you going with? | 0:13:07 | 0:13:09 | |
-The sieve. -This mesh here. | 0:13:09 | 0:13:10 | |
Lab rat, in you come, please. Let's mark this up for the Reds. | 0:13:10 | 0:13:14 | |
If we have that marked, | 0:13:14 | 0:13:15 | |
Reds, step forward to Archimedes' bath, and let's see if it floats. | 0:13:15 | 0:13:19 | |
This is our first of six objects. Jenny, good luck. | 0:13:19 | 0:13:23 | |
That didn't work at all, did it? | 0:13:25 | 0:13:27 | |
Bad luck! If you would like to go back. Yellows, your turn next. | 0:13:27 | 0:13:31 | |
Probably the surprising thing here is just how much water weighs. | 0:13:33 | 0:13:38 | |
Heavy old stuff, water, so that shape needs to be a shape | 0:13:38 | 0:13:41 | |
that will push away quite a lot of it... | 0:13:41 | 0:13:43 | |
when the object itself doesn't weigh that much. | 0:13:43 | 0:13:47 | |
It's about shape and weight. | 0:13:47 | 0:13:48 | |
Yellows, made your mind up? | 0:13:48 | 0:13:50 | |
-Yes. -Reds, you can't choose your object till they have. | 0:13:50 | 0:13:53 | |
This is really heavy. | 0:13:53 | 0:13:54 | |
Do you want to go? We'll go with the rolling pin. | 0:13:54 | 0:13:58 | |
The rolling pin? Lab rat, let's have this marked up for the Yellow Team. | 0:13:58 | 0:14:02 | |
-OK, Lewis. -Go on, Lewis! | 0:14:04 | 0:14:07 | |
Archimedes' very own bath. Take your time. Take your time. | 0:14:07 | 0:14:11 | |
Are we ready? Here we go. Audience, will it float? | 0:14:11 | 0:14:13 | |
Yes, it does. | 0:14:13 | 0:14:15 | |
You can see it is displacing water that weighs more than it. Right! | 0:14:15 | 0:14:20 | |
Yellows, you're one up. Reds, it's your turn to pick an object. | 0:14:20 | 0:14:23 | |
You've already chosen? | 0:14:23 | 0:14:25 | |
-ALL: Yeah. -Is that a tangerine or a satsuma? | 0:14:25 | 0:14:28 | |
-I don't know. -I don't know either. It's one of those. | 0:14:28 | 0:14:31 | |
Lab rat, can we have that marked? | 0:14:31 | 0:14:33 | |
Oh, no! | 0:14:38 | 0:14:40 | |
-That's not worked at all, has it? -No. | 0:14:40 | 0:14:44 | |
Maybe it will float back up? | 0:14:44 | 0:14:45 | |
Swim little tangerine! No, it's...sunk. Bad luck. | 0:14:45 | 0:14:50 | |
Back to your team. Yellows, have you made your decision? | 0:14:50 | 0:14:53 | |
Magnifying glass. | 0:14:53 | 0:14:55 | |
Why do you think it will float? | 0:14:55 | 0:14:56 | |
I think it's like, if you half it, it's symmetrical, | 0:14:56 | 0:14:59 | |
-and it will balance the weight out. -It is symmetrical, yes. | 0:14:59 | 0:15:03 | |
It's symmetrical that way. | 0:15:03 | 0:15:04 | |
Lab rat, let's have this marked up. | 0:15:04 | 0:15:06 | |
Yellows, if you get this, | 0:15:08 | 0:15:11 | |
if you think about it - there's six objects - | 0:15:11 | 0:15:14 | |
so if this one floats, you've won. | 0:15:14 | 0:15:17 | |
This is a decider. | 0:15:18 | 0:15:20 | |
If this floats, the Yellow Team has won. | 0:15:20 | 0:15:22 | |
If not, we'll have to find out... OK, you see, | 0:15:22 | 0:15:25 | |
it didn't even look like it would float. | 0:15:25 | 0:15:27 | |
Bad luck, Yellows. That then weighing more | 0:15:27 | 0:15:30 | |
than the amount of water it displaces, and sinking. | 0:15:30 | 0:15:32 | |
Right, Reds, you need this one. | 0:15:32 | 0:15:34 | |
It'll keep you in the game. Have you made your mind up? | 0:15:34 | 0:15:37 | |
-Yep. -Yep. -What you going with? | 0:15:37 | 0:15:39 | |
-ALL: The melon. -Who's gonna do it? -Me! | 0:15:39 | 0:15:41 | |
Robert. You're feeling brave, happy to volunteer. Lab rat, | 0:15:41 | 0:15:45 | |
can we mark this up for the Red Team, please? | 0:15:45 | 0:15:47 | |
The Reds, then, need this to stay in the game. | 0:15:47 | 0:15:50 | |
They lose this, it's all over. | 0:15:50 | 0:15:52 | |
So this is another critical, critical moment. | 0:15:52 | 0:15:55 | |
You need this to stay in the game. | 0:15:55 | 0:15:57 | |
Oh! Oh, ah! Hang on! | 0:15:58 | 0:16:01 | |
-It floats. -I would say that was floating! | 0:16:01 | 0:16:03 | |
Reds, you're still in the game, well done. | 0:16:03 | 0:16:06 | |
I think why not. | 0:16:06 | 0:16:07 | |
So Yellows, would you like to choose | 0:16:11 | 0:16:14 | |
the tennis racquet, the tennis racquet, or the tennis racquet? | 0:16:14 | 0:16:18 | |
I think we'll go with the tennis racquet. | 0:16:18 | 0:16:20 | |
I think that's a brilliant idea. Well chosen. | 0:16:20 | 0:16:22 | |
Lab rat, can we mark it up, please? | 0:16:22 | 0:16:25 | |
If this floats, you've won the game. | 0:16:25 | 0:16:28 | |
You take the point. If it sinks, it's a draw. | 0:16:28 | 0:16:31 | |
It doesn't make any difference. No points. | 0:16:31 | 0:16:33 | |
Let's not put it top of that. | 0:16:33 | 0:16:34 | |
Let's keep this clear. You need a clear bit of the bath. Good luck. | 0:16:34 | 0:16:39 | |
And it's floating. Yellow Team wins... | 0:16:39 | 0:16:42 | |
-CHEERING -..and takes the point. | 0:16:42 | 0:16:44 | |
Well done! But it is surprising to see | 0:16:44 | 0:16:47 | |
which materials float, and which ones don't. | 0:16:47 | 0:16:50 | |
That has got me thinking, | 0:16:50 | 0:16:51 | |
could my lab rats make a boat out of something you wouldn't expect? | 0:16:51 | 0:16:55 | |
I don't know...cardboard. | 0:16:55 | 0:16:56 | |
Location, the picturesque county of Warwickshire. | 0:16:58 | 0:17:03 | |
The aim, to construct a boat out of cardboard, and make it float. | 0:17:03 | 0:17:08 | |
Obviously, rivers can be extremely dangerous. Never try this yourself. | 0:17:08 | 0:17:13 | |
At Blast Lab, we take health and safety very seriously, | 0:17:13 | 0:17:16 | |
so we've got a highly trained lifeguard close to hand. | 0:17:16 | 0:17:20 | |
# Some people stand in the darkness | 0:17:21 | 0:17:24 | |
# Afraid to step into the light... # | 0:17:24 | 0:17:28 | |
Under Ninja Nan's strict supervision, | 0:17:28 | 0:17:30 | |
the lab rats set about turning a pile of ordinary cardboard boxes | 0:17:30 | 0:17:34 | |
into what looks a bit like a boat. | 0:17:34 | 0:17:37 | |
The reason boats float | 0:17:37 | 0:17:39 | |
can be explained by the Archimedes principle. | 0:17:39 | 0:17:43 | |
For our boat to float, it needs to displace, which means push aside, | 0:17:43 | 0:17:47 | |
a volume of water that's the same, or more, as the weight of the boat. | 0:17:47 | 0:17:51 | |
However, this usually relies on the boat | 0:17:51 | 0:17:54 | |
being made of a waterproof material, | 0:17:54 | 0:17:56 | |
like metal, plastic, or painted wood, not cardboard. | 0:17:56 | 0:18:00 | |
# Sail away, sail away, sail away... # | 0:18:00 | 0:18:03 | |
In any case, their cardboard boat is now finished, | 0:18:03 | 0:18:07 | |
and all that's left to do is launch it, jump in, | 0:18:07 | 0:18:10 | |
and see if it floats. | 0:18:10 | 0:18:11 | |
# Sail away, sail away, sail away... # | 0:18:11 | 0:18:15 | |
Hold the experiment right there! | 0:18:15 | 0:18:17 | |
The scores right now are a draw, 2-all, | 0:18:17 | 0:18:19 | |
so I think there's another point in this. I'll ask you a question, | 0:18:19 | 0:18:23 | |
both teams. Let's see how you do for this extra point. | 0:18:23 | 0:18:26 | |
And the question is this - | 0:18:26 | 0:18:28 | |
will the cardboard boat that the lab rats built | 0:18:28 | 0:18:32 | |
float for...five minutes with two lab rats in it? | 0:18:32 | 0:18:37 | |
Have a think, have a chat. Have a think. | 0:18:37 | 0:18:40 | |
Audience, what do you reckon? I'm gonna come and talk to you, | 0:18:40 | 0:18:43 | |
using my amazing microphone boot. | 0:18:43 | 0:18:45 | |
It could be for sale in shops near you very soon. | 0:18:45 | 0:18:49 | |
-Any idea? Whisper. -No. -No, right! | 0:18:49 | 0:18:52 | |
No, because the two lab rats will weigh more than the boat, | 0:18:52 | 0:18:55 | |
-and the boat will sink. -You think, according to Archimedes, | 0:18:55 | 0:18:59 | |
it won't be able to displace water equal to its own weight, | 0:18:59 | 0:19:03 | |
and it'll sink. You think Archimedes will defeat their boat. | 0:19:03 | 0:19:06 | |
-Anybody else? -I think it might sink, | 0:19:06 | 0:19:09 | |
because the Sellotape they stuck it with might lose its stickiness. | 0:19:09 | 0:19:13 | |
-The sticky tape won't be sticky? -No. -Oh. It'll fall apart? -Yes. | 0:19:13 | 0:19:17 | |
You think the tape's going to let go, | 0:19:17 | 0:19:19 | |
you think Archimedes is going to defeat them, and it'll sink? | 0:19:19 | 0:19:22 | |
OK. A range of theories from the audience. | 0:19:22 | 0:19:25 | |
This is a brilliant invention. It's a boot. | 0:19:25 | 0:19:27 | |
Teams, have you both come up with answers? Have you agreed? | 0:19:27 | 0:19:31 | |
You all agree, Yellows, Reds, agree on your answer? | 0:19:31 | 0:19:33 | |
The spokesperson is going to be Oliver and Lewis | 0:19:33 | 0:19:38 | |
to give your answers, so you can't change them. | 0:19:38 | 0:19:40 | |
Oliver, what is your answer, do you think it will or not? As a team... | 0:19:40 | 0:19:44 | |
We think it's going to float. | 0:19:46 | 0:19:47 | |
You think it'll float for five minutes with two lab rats. | 0:19:47 | 0:19:50 | |
-Yellows? -We think it's going to float as well. | 0:19:50 | 0:19:53 | |
Both teams could cancel out the point, | 0:19:53 | 0:19:55 | |
and we'll go on to the next round as a draw. Let's see what happens. | 0:19:55 | 0:20:00 | |
Remember, these are nautically trained lab rats. | 0:20:00 | 0:20:03 | |
Don't try this yourself. | 0:20:03 | 0:20:06 | |
And, incredibly, it does float! | 0:20:12 | 0:20:14 | |
And our lab rats are able to cruise the open seas with ease. | 0:20:16 | 0:20:21 | |
It worked! It actually floated, | 0:20:21 | 0:20:23 | |
which I think is worth a round of applause for the lab rats, actually. | 0:20:23 | 0:20:26 | |
-CHEERING -Enough. Let's not overdo it. | 0:20:26 | 0:20:29 | |
They are lab rats. Not too much praise for them. | 0:20:29 | 0:20:31 | |
But it did work, so a point to both teams. | 0:20:31 | 0:20:34 | |
The scores are 3-all, time for us to move on to the final round. | 0:20:34 | 0:20:38 | |
For that, both teams, you need to change into your protective outfits. | 0:20:38 | 0:20:41 | |
Go and get ready, away you go. | 0:20:41 | 0:20:43 | |
While they do that, | 0:20:43 | 0:20:45 | |
it's worth sharing, audience, yeah, it worked for five minutes... | 0:20:45 | 0:20:51 | |
but then it turns out there are a few problems | 0:20:51 | 0:20:54 | |
associated with making a boat out of cardboard. | 0:20:54 | 0:20:57 | |
Nothing lasts for ever. | 0:20:59 | 0:21:00 | |
The cardboard begins to weaken, and leak water into the boat. | 0:21:00 | 0:21:03 | |
And before long, | 0:21:03 | 0:21:05 | |
we have a genuine case of lab rats leaving the sinking ship. | 0:21:05 | 0:21:09 | |
And Ninja Nan's long since gone. | 0:21:09 | 0:21:12 | |
She's home watching Strictly Come Dancing, | 0:21:12 | 0:21:15 | |
so it's up to the lab rats to save themselves. Yeah, you see, | 0:21:15 | 0:21:19 | |
you leave them on their own, they have an idea, | 0:21:19 | 0:21:21 | |
and that's where it gets them. | 0:21:21 | 0:21:23 | |
Right, it's time to move on to the Messy Messy Mess Test. | 0:21:23 | 0:21:26 | |
Which today is the gungy bungee, featuring my Blast Lab catapults. | 0:21:29 | 0:21:35 | |
I did originally design and build these | 0:21:35 | 0:21:37 | |
for airborne cat transportation, | 0:21:37 | 0:21:39 | |
but it really didn't work. Here's the game, then. | 0:21:39 | 0:21:42 | |
Teams, you've got to get as many of these pods | 0:21:42 | 0:21:44 | |
featuring the names of prizes on them across the tank. | 0:21:44 | 0:21:47 | |
This being Blast Lab, there is, of course, a twist. | 0:21:47 | 0:21:51 | |
You may have noticed a team member from each team | 0:21:51 | 0:21:54 | |
standing in the tank of hideous, unnameable gunge. | 0:21:54 | 0:21:58 | |
You all right in there? Comfortable? Good. | 0:21:58 | 0:22:00 | |
You'll notice tape stretched across the tank. | 0:22:00 | 0:22:03 | |
This is for your own safety, | 0:22:03 | 0:22:04 | |
because I spotted something moving in there earlier on. | 0:22:04 | 0:22:07 | |
Big, really big! | 0:22:07 | 0:22:10 | |
A lot of teeth. So this tape, I'm sure, will keep it back. | 0:22:10 | 0:22:14 | |
Do not go past that tape, all right? | 0:22:14 | 0:22:16 | |
Beyond that, at the other end of the tank, is the prize zone. | 0:22:16 | 0:22:19 | |
That's your target, teams. | 0:22:19 | 0:22:21 | |
You've got to get as many of these prize pods, using the catapult, | 0:22:21 | 0:22:24 | |
across the tank, past the opposing team member, | 0:22:24 | 0:22:27 | |
and into the prize zone. | 0:22:27 | 0:22:28 | |
The team to get the most prize pods into the prize zone | 0:22:28 | 0:22:31 | |
will get to take home all the prizes written on them. | 0:22:31 | 0:22:34 | |
The losing team will have to blow theirs up. It's just the way of it. | 0:22:34 | 0:22:38 | |
OK? As it's a draw right now, scores are even, | 0:22:38 | 0:22:42 | |
you're both starting at the same time. | 0:22:42 | 0:22:45 | |
You have some time to get as many prize pods across the tank | 0:22:45 | 0:22:48 | |
and into the prize zone as you can. That some time starts... | 0:22:48 | 0:22:52 | |
now! | 0:22:52 | 0:22:53 | |
Away we go with both teams starting at the same time. | 0:22:53 | 0:22:57 | |
Yellows first to get the prize pod to the catapult. | 0:22:57 | 0:23:00 | |
AUDIENCE: Yellow! Yellow! | 0:23:00 | 0:23:03 | |
Like any artillery, | 0:23:03 | 0:23:04 | |
it takes time to zone in and find your target. | 0:23:04 | 0:23:08 | |
Right now, I think they're getting the range, checking the elevation, | 0:23:08 | 0:23:12 | |
and the Reds have got the first prize pod in the prize zone. | 0:23:12 | 0:23:16 | |
Ooh, another one for the Reds | 0:23:18 | 0:23:20 | |
just makes its way into the prize zone. | 0:23:20 | 0:23:22 | |
The Yellows still trying to find their range, | 0:23:22 | 0:23:25 | |
but in goes another for the Reds. Look at that. | 0:23:25 | 0:23:28 | |
The Yellows getting an amazing amount of height on that shot. | 0:23:28 | 0:23:32 | |
Some great deflection work going on | 0:23:32 | 0:23:34 | |
from the Red Team player in the pool. | 0:23:34 | 0:23:37 | |
Another one was about to land in the prize zone, but they batted it away. | 0:23:37 | 0:23:41 | |
It's mean, taking pleasure from that, | 0:23:41 | 0:23:43 | |
but I did! | 0:23:43 | 0:23:44 | |
The Yellows still not quite finding the range. | 0:23:47 | 0:23:50 | |
However, Harry, the Yellow blocker, | 0:23:50 | 0:23:52 | |
is really lobbing the prize pods back to the firer. | 0:23:52 | 0:23:54 | |
Good tactics, that. | 0:23:54 | 0:23:56 | |
And, yes, it's working, | 0:23:56 | 0:23:58 | |
as another prize pod goes in for the Yellow Team. | 0:23:58 | 0:24:01 | |
The Reds look to be ahead, | 0:24:01 | 0:24:03 | |
but the Yellows are starting to come back into this. | 0:24:03 | 0:24:05 | |
And, yes, another one drops into the prize zone for the Yellows. | 0:24:09 | 0:24:12 | |
And another! | 0:24:12 | 0:24:15 | |
It could be anybody's, this game. | 0:24:17 | 0:24:19 | |
There's firing prize pods, blocking, unspeakable gunge. | 0:24:19 | 0:24:23 | |
It's all going on in there. | 0:24:23 | 0:24:25 | |
I think the only thing that will decide this | 0:24:25 | 0:24:27 | |
is my some time random indicator invention, | 0:24:27 | 0:24:30 | |
which, by my calculations, should be... | 0:24:30 | 0:24:34 | |
soon. | 0:24:34 | 0:24:35 | |
-KLAXON -Game's over! Game's over! | 0:24:40 | 0:24:43 | |
Everybody stop right where you are. | 0:24:43 | 0:24:46 | |
That made quite a mess in my lab. Yeah. | 0:24:46 | 0:24:50 | |
Let's find out which team has won. | 0:24:50 | 0:24:52 | |
Down to the prize zone, my two lab rats have been counting them up. | 0:24:52 | 0:24:56 | |
OK, lab rat here, how many for the Yellow Team? | 0:24:56 | 0:24:59 | |
Four prize pods for the Yellows. | 0:24:59 | 0:25:01 | |
And for the Reds, how many have we got? Eight for the Reds! | 0:25:01 | 0:25:04 | |
That means the Reds are the winners! | 0:25:04 | 0:25:06 | |
-CHEERING -Well done, Reds. | 0:25:06 | 0:25:08 | |
Sorry, Yellows. | 0:25:08 | 0:25:10 | |
Let's find out, Reds, what you've won. | 0:25:10 | 0:25:13 | |
Ninja Nan, ready? | 0:25:13 | 0:25:14 | |
You get a super cricket kit... | 0:25:14 | 0:25:16 | |
CHEERING | 0:25:16 | 0:25:17 | |
..a science magic set... | 0:25:17 | 0:25:20 | |
a lunar eclipse bedroom light, | 0:25:20 | 0:25:22 | |
a Disgusting Digestion kit... | 0:25:22 | 0:25:25 | |
an MP3 player... | 0:25:25 | 0:25:28 | |
a Horrible Science book... | 0:25:28 | 0:25:30 | |
a brainteaser jigsaw... | 0:25:30 | 0:25:33 | |
an electromagic kit. There! | 0:25:33 | 0:25:34 | |
Those are your prizes, Reds, all coming home with you. | 0:25:34 | 0:25:39 | |
Yellows, this is the less than easy bit for you. | 0:25:39 | 0:25:42 | |
This is what you would have won. | 0:25:42 | 0:25:44 | |
An electromagic kit. | 0:25:44 | 0:25:45 | |
-AUDIENCE: Aww. -Yeah, yeah, yeah. | 0:25:45 | 0:25:47 | |
Cricket kit, would have been nice. | 0:25:47 | 0:25:49 | |
-Yeah, MP3 player. -AUDIENCE: Aww. | 0:25:49 | 0:25:52 | |
You'd have liked that. | 0:25:52 | 0:25:54 | |
-Lunar eclipse bedroom light. -AUDIENCE: Aww! | 0:25:54 | 0:25:57 | |
And instead of taking them home, the Yellows are going to blow them up - | 0:25:57 | 0:26:01 | |
time for Bidet Goes Bang! | 0:26:01 | 0:26:02 | |
Well, it's that time again. | 0:26:10 | 0:26:12 | |
Here we all are, Red Team looking quite happy, actually, | 0:26:12 | 0:26:16 | |
if I can see you past the enormous pile of prizes. Well done, Reds. | 0:26:16 | 0:26:20 | |
You played very well. Very well. Yellows, how are you feeling? | 0:26:20 | 0:26:24 | |
ALL: Disappointed. | 0:26:24 | 0:26:26 | |
Yeah. yeah. That's the sort of mood I'm getting off all three of you. | 0:26:26 | 0:26:30 | |
-What went wrong in that game, then? -I just think... | 0:26:30 | 0:26:34 | |
we could have done better at the aiming. | 0:26:34 | 0:26:36 | |
It's not easy, is it? | 0:26:36 | 0:26:38 | |
You've got to aim, get the right power... Still, never mind | 0:26:38 | 0:26:41 | |
because, well, here we are. | 0:26:41 | 0:26:44 | |
Before I moved my exploding bidet down here into the lab, | 0:26:44 | 0:26:47 | |
it used to make a real mess of the ensuite, | 0:26:47 | 0:26:49 | |
but now it's here, I can use it as much as I like. So here we go. | 0:26:49 | 0:26:52 | |
Your prizes are in there and ready. | 0:26:52 | 0:26:54 | |
-Who's pushing the plunger? -ALL: All of us. | 0:26:54 | 0:26:57 | |
You'll share the blame. I think that's best. | 0:26:57 | 0:26:59 | |
Step forward and lift the plunger up into the firing position. | 0:26:59 | 0:27:02 | |
Lift it up... There you go. Right, we're all going to count you down. | 0:27:02 | 0:27:06 | |
Ready? | 0:27:06 | 0:27:07 | |
ALL: Five, four, three... | 0:27:07 | 0:27:10 | |
two...one! | 0:27:10 | 0:27:12 | |
EXPLOSION | 0:27:12 | 0:27:15 | |
Yup! Sorry, Yellows. That's it for another show. | 0:27:17 | 0:27:21 | |
We learned about buoyancy. | 0:27:21 | 0:27:22 | |
Remember, if you want to test things that float, | 0:27:22 | 0:27:25 | |
it is probably best to steer clear of your mum's best china. | 0:27:25 | 0:27:28 | |
Oh, I don't know! See you next time. | 0:27:28 | 0:27:30 | |
CHEERING | 0:27:30 | 0:27:34 | |
Blast Lab was recorded before a live studio audience. | 0:27:38 | 0:27:41 | |
No lab rat was harmed during the filming, | 0:27:41 | 0:27:44 | |
except the work experience one. | 0:27:44 | 0:27:46 | |
Subtitles by Red Bee Media Ltd | 0:27:56 | 0:27:59 | |
E-mail [email protected] | 0:27:59 | 0:28:02 |