Giant shock wave Science

Video: Giant shock wave

Watch this awesome video of a giant shock wave caused by a massive explosion – and then find out how it all works in How It Works issue 23, on sale 14 July
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Nuclear station Science

Is nuclear power safe?

Is nuclear power an ecological saviour or a looming disaster? With Japan’s Fukushima reactor threatening to go into meltdown, we explain in detail how nuclear power works
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Cats eye small Space

Top Five Facts: Planetary Nebulae

Have a look at this stunning image of the Cat’s Eye Nebula taken by NASA’s Hubble Space Telescope and discover a thing or two about planetary nebulae while you’re here
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