Colin | Colin Barras

Animated ink-blot images keep unwanted bots at bay

Nov 3, 2009 | Journalism

The distorted letters we decipher to prove we are human, not a bot, are getting harder to use and...

Oct 29, 2009 | Journalism

Some physicists said it would never happen, but an atom-thick layer is enough for high-temperature...

Oct 28, 2009 | Journalism

An innovative redesign of wind turbine blades could render them invisible to radar – making...

Oct 28, 2009 | Journalism

An image sensor that can capture 1 million frames per second could film action too fast for...

Oct 21, 2009 | Journalism

Stinging cells can be used as tiny needles to inject drugs into the skin – sea anemone face creams...