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It's all around us - but how did we invent light?
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Find out about the quest to build a perepetual motion machine.
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Ever heard of the Beaufort Scale? Find out what it is, and what it does.
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What's the longest time you can spend under water?
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How did great artists draw realistic people?
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How you keep things ice cold without a fridge?
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A collection of body tricks to confuse your brain.
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How can we prove that the earth is spinning?
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Looking at how prisoners of war managed to escape captivity by digging tunnels.
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What is time? And how do we measure it?
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All about 3D - plus a 3D clip you can view with the aid of a purple sweet wrapper!
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If we can find out how old this rock is, we should be able to work out how old the entire solar system is!
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Can glass be used instead of sand?
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There are lots more Big Questions answered on the websites for previous series of The Big Bang. You can get to them by clicking on the links at the bottom of the right hand column.
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