Card Throwing Speed Test

( rock music playing )Well, in the shots, your arm is incredibly flappy. The flesh is all over the place. So we should get a lovely close-up of that. That would be awesome. Yeah, let’s do it. Dan:Oh, man.Gav:Oh, my goodness.And the fingers.Love the fingers there.And all of your fingers were all over.Your whole armRead More Card Throwing Speed Test

Why Do Nuclear Bombs Make Mushroom Clouds?

Why Do Nuclear Bombs Make Mushroom Clouds?

If you’ve ever put your feet up on a warm summer’s day and played “what’s that cloud look like?”, you might have seen a kangaroo, a guy preparing to facepalm, maybe a mushroom… On second thought, hopefully not that last one. A mushroom cloud is not a thing you want to be seeing because they’reRead More Why Do Nuclear Bombs Make Mushroom Clouds?

Crashing Through a Wall in Slow Motion

Crashing Through a Wall in Slow Motion

– Hello, I’m Gav. – I’m Dan. Welcome to “The Super Slow Show.” Today, we’re doing a lovely Hollywood stunt. Well, Hollywood’s just down the road, isn’t it? – It is, very close. – Yeah. Yeah, today we’ve got the jerk vest. Not the best name. What about “tug vest”? – It’s not getting anyRead More Crashing Through a Wall in Slow Motion

Calcium carbide reacting with water

Calcium carbide reacting with water

Hello! I’m going to do one of my favourite experiments! …with calcium carbide! It’s an awesome chemical that looks like ordinary pebbles. But… it reacts vigorously with water! Check it out. The smoke you see is acetylen gas, and it’s very flammable… Check out what happens when I light it on fire! (Eh, remember, don’tRead More Calcium carbide reacting with water

Ethyne and flying food cans – calcium carbide, acetylene and combustion

Ethyne and flying food cans – calcium carbide, acetylene and combustion

Calcium carbide is one of my favourite chemicals, just because it’s so easy to do some simple chemistry with very easily. One of the best things to do is just pop some in some water, producing acetylene gas, which will burn via incomplete combustion. You can see the amount of soot that’s been deposited hereRead More Ethyne and flying food cans – calcium carbide, acetylene and combustion

Calcium Carbonate – Disintegrating Quicklime

Calcium Carbonate – Disintegrating Quicklime

[MUSIC PLAYING] Earth. Billions of years ago, it was just a hot jumble of elements, which over time have solidified into the very rocks that we stand on. Right? OK. These rocks have come from a quarry in Portland, and they’re made of limestone, which is a type of calcium carbonate. Masons would use theseRead More Calcium Carbonate – Disintegrating Quicklime