Ah but this one's got an accelerometer to flash your brake lights when you slow down. Accelerometers are this year's sexy - they're the guts of the Wii and the Nike pedometer.
Still a daft idea though - the jacket you can't wear with a backpack.
Chen said: "I cycled round London in the dark wearing my first prototype. It was a £10 waterproof jacket with LEDs stuck on by gaffer tape."
He continued: "For the first time, I noticed that cars passed me more slowly, gave me more room, and that the drivers and passengers were even making eye contact." Well yeah, weird Christmas trees get that reaction. Doesn't mean that a macrame owl made from EL wire is a smart design idea, matey...
