More from Duncan Graham-Rowe
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Vanquish the vortex
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Sickly slopes
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Wake-up call
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Mobile phone emissions increase worm fertility
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Microchip can turn heat into electricity
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Hot wired
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Doctors call for waiting room teddy bear ban
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Remote heartbeat monitor unveiled
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Healthy vibes
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UK aims to resolve mobile phone health fears
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Exploding chips get the better of laptop thieves
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Virtually indestructible
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