Tough Tomatoes and Custard Conflagrations

06 November 2009
Presented by Dave Ansell.

TOMATOES

Tomatoes on the vine

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Why are tomato skins so tough? Can you make fireworks from custard powder? What is the speed of dark? Join us as Dave Ansell takes on your science questions, explaining if satellites get dusty, how much damage the infamous Guy Fawkes' gunpowder plot would have done and why you can't see stars in footage shot in space!

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