The prototype lenses developed at the University of Washington include red light-emitting diodes and an electronic circuit, although trials to date have focused on wearability studies and have not ...

Gaggione has introduced coloured lenses for LED streetlight to emulate older lighting styles and reduce wildlife disturbance. There are two tints: amber-yellow and amber-orange, and they are found in ...

Sometimes we think that scientists are just making stuff up – that they’re dazzling us with new inventions that aren’t actually possible. That was the vibe around here when we learned that researchers ...