Hacked Bike Headlight Projects Your Speed On the Road Ahead

Unless you're blasting through red lights and stop signs, you don't really need to care what speed you're riding a bike at. But maybe knowing that you're careening through traffic at a blistering eight miles per hour gives you some kind of thrill. In that case, check out Matt Richardson's Dynamic Bike Headlight hack. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/YwV9xnKKveY/hacked-bike-headlight-projects-your-speed-on-the-road-ahead

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