More from Helen Knight
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Life
How a robot can replace you at work 鈥� and how it can’t
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Technology
Shock wave puts hybrid engines in a spin
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Earth
Power of cool: Liquid air to store clean energy
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Breath sensor predicts an asthma attack the day before
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Earth
Green Machine: Fill up your car with hydrogen beads
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Earth
Efficiency could cut world energy use over 70 per cent
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Technology
Mimic-bots learn to do as we do
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Technology
Robots learn to walk like a senior citizen
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Technology
2011 preview: Enter the robot self
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Technology
Online photo coincidences betray your friends
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Earth
Green Machine: Bugs and sparks turn salty water fresh
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Technology
Blood camera to spot invisible stains at crime scenes
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