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 — a...
https://www.engadget.com/2018/01/07/...t-fall-alerts/
https://www.engadget.com/2018/01/07/...t-fall-alerts/