Any number of people might require safety cones for work, play, or ensuring the public’s safety. Whether you’re marking off a gymkhana course, directing traffic, or need to indicate where the ...

It's a cone shaped lens for LED traffic lights. The device was invented by Chris Bichon, a soft-spoken engineer who was partly inspired by a CBS4 investigation into LED lights. "I wouldn't be ...

Figure 1: White light from a cone-shaped LED illuminates researchers from the University of California, Santa Barbara. LEDs essentially consist of three different types of materials layered on top ...