Seemingly as proof that if you throw enough technology at a problem, some of it will stick; the BBC have an article about the winner of the James Dyson Foundation Award for Project Design who fitted accelerometers and tilt switches to a cycling jacket which are in turn connected to a set of LEDs.
The sensors change the colour of the lights in response to the rider’s movements - the ones on the back go from green to red when braking and the ones on the arms trigger when the rider raises their arms to signal that they are turning left or right.
The video below shows the jacket in action. Sadly it looks like it’s still got a way to go as the lights don’t seem to trigger very reliably and the main panel will be obscured by even the smallest bag - fitting the brake lights at the bottom of the rear of the jacket would have been far more sensible.
The designer, Michael Chen, is planning on selling the jacket in the UK by the end of the year. There is no news on whether he is working on a matching pair of gloves that light up like a Christmas tree when flicking a v-sign at the SUV that just cut you up.

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