Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Three scientists have jointly earned the Nobel Prize in physics ...

Light-emitting diodes (LEDs) are so ubiquitous that it's easy to forget just how much society relies on these underappreciated technological wonders. Yet, the history of the LED goes back further than ...

It’s a little wisp of a circuit that allows you to drive a blue or white LED from a low voltage. Normally, if you want to light up a blue or white LED you need to provide it with 3 – 3.5 V, like from ...

Forget harsh bleach—scientists have discovered that powerful blue LED light can erase yellow stains from sweat, food, and oils without harming delicate fabrics like silk. By harnessing oxygen in the ...

The OPK-50GS/E is a special kit that makes it easy for technicians to find all air conditioning leaks - even those in cramped areas that are inaccessible to larger lamps, says the company. The kit ...

The development of practical blue LEDs required great perseverance by several Japanese scientists who had to learn how to fabricate high-quality films of GaN and effectively dope them to create ...