Cycling can be dangerous, especially if you ride at night or in busy metropolitan areas. To help, a startup called Cosmo Connected is working on a smart light that clips onto the back of your helmet. Eight LEDs — four red, four yellow — are positioned in an oval shape. By default, theyre set to an always-on position so that youre clearly visible in the dark. An accelerometer inside will know when youre braking, however, and warn fellow cyclists, drivers and pedestrians with a…Read more