Lasers, LEDs and light sources are devices that create light. LEDs (light emitting diodes) convert an electrical current into light using spontaneous emission in optically active semiconductors.

Tetralogy of Fallot (TOF) is a combination of four congenital (present at birth) heart defects that affect infants and children. The defects occur together and change the way blood flows through the ...

All of the best smart lights use LEDs, which means they're low energy: they deliver lots of light but they don't need lots of energy to do it and they don't run particularly hot either.

Light No Fire is the new project from No Man's Sky developer Hello Games. And this time, we are getting a fantasy outing instead of a sci-fi adventure. So far, the game promises to be about ...

The mobile market is absolutely booming, and there’s one company that’s leading the way with a gigantic profit. A recent report from AppMagic shows that Tencent remains on top, and is absolutely miles ...

A surprise, last-minute decision by the Biden administration to designate Tencent as a firm with ties to China’s military has erased billions in market value from the world’s largest video ...

And while the reality of that sentence may have seemed incomprehensible just over 72 hours ago, the transaction is indeed official. In the coming days, weeks and months, enlightening reports will ...

The Pokemon Company has announced that it's gifting free Trade Tokens to all Pokemon TCG Pocket players by way of an apology for the way in which the game's trading feature launched last week. In a… ...

The light rail rain in Jerusalem will cease operations for five days next week, ahead of the extension of the city's "red line," which currently runs between Pisgat Ze'ev and Mount Herzl.

Roads will become slippery tonight for the Wednesday evening commute as light snow will move into the Twin Cities just after 2 p.m. and taper off to flurries by 3 a.m. Thursday with light freezing ...

(The northeast monsoon is now affecting a large part of Luzon, strengthening once again. Light to moderate rains are also expected.) Estareja said the easterlies will bring cloudy skies with ...