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