Everyday science

Science is fine, but of what concern is it to non-scientists? Quite a lot, actually, as our experts reveal:

Our radio rocks

Once as vital to teenage life as Beatles wigs and winklepickers: get our instructions for building a crystal radio set.

Whether you stand or fall owes a lot to your centre of gravity.

With just a little electronics knowledge and a lot of patience you can make a saucepan radio.

Defined as the 'capacity to do work' and by Einstein's famous equation E=mc², discover energy.

Power your knowledge as we explain how batteries work.

When you make your tea, you're actually entering a kitchen lab.

The gravel you use to create your driveway may tell an interesting history when you start unearthing the past.

Protect your workstation from marauders with our desktop catapult.

Your kitchen is also home to a full science lab - find out how with kitchen chaos.

Turning the raw ingredients into edible foodstuffs takes the intervention of technology. Follow food from pasture to plate.

Ellen starts her mosquito farm - and then explains to Kate what she intends to do with them. It's all in the call of the wild video extra.

Fancy an egg? And another? And another... could anyone eat eggs like Paul Newman appears to in Cool Hand Luke?

Can urine really make fabric strong enough to allow escape from prison? Or was Jackie Chan taking the mickey in Shanghai Noon?

Ready for some deep sea diving, but no oxygen tanks? No problem, if you understand pumps and pressures.