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What happens when a new kind of rear-mounted bicycle light suddenly slows down?

Answer: it lights up

Simulating the same effect found on vehicles, a new light by Revolights lights up when the bicycle it’s attached to suddenly slows down. As bicycle traffic in many cities increases and many cities attempt to be more bicycle friendly, this light offers one way to make riding a bicycle safer.

Colin wrote for Government Technology and Emergency Management from 2010 through most of 2016.