This 1,000-lumen pocket flashlight that works like an 'absolute champ' is 30% off on Amazon

The Olight Arkfeld EDC Flat LED Flashlight is now on sale for $63 on Amazon, a 30% drop from its normal $90 list price. This light immediately caught my attention because Olight r ...
Nanowerk

Scientists engineer marine bacteria to create living light-emitting diodes

Living bacteria embedded in silicone can absorb green LED light and re-emit it as red, offering a potential sustainable ...