Light-Up Bike Wheels Help Cyclists See the Road, and Help Motorists See the Bikes

Revolving Bike Lights

Revolights

Cities can only do so much to improve bicyclists' safety — bike lanes and automatic traffic light sensors are great, but motorists are really the ones who have to pay attention for bike riders to be safe. An intrepid mechanical engineer has one solution: Make bike lights as [obvious as car lights](