More from Duncan Graham-Rowe
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From food scraps to fuel cell
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Food scraps could help power homes
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Robots to the rescue
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Space probe fingers murderers
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Space probe kit will fight terrestrial crime
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Quantum cryptography takes to the skies
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Navy pilots can set stray missiles back on course
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Laser treatment strips away the grimy ravages of time
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Video system can redirect stray missiles
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Make electricity the Faberg茅 way
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Third World TV runs on heat from the stove
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The wright stuff
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