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Andy Green is gearing up to break the land speed record in his rocket powered car Bloodhound SSC

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September 2009
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handedness

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Some molecules - thalidomide, for example - come in both left and right handed versions, while others are indistinguishable from their reflections. Plus finds out about the role of mathematical symmetry in chemistry.

Tags: rotation : symmetry : identity : handedness : chirality : symmetry operations : reflection : inversion