LAS VEGAS — You're tempted to tell a joke: "How many astronauts does it take to screw in a lightbulb?" But retired NASA astronaut Michael Lopez-Alegria is quite serious about the "biologically ...

IT IS getting ever trickier to find incandescent bulbs. Almost all rich countries are phasing them out because they squander so much energy as heat rather than visible light. But they have ardent fans ...

We live in a world where smartphones last for about 2.5 years, and even the best light bulbs fizzle out unexpectedly when you need them the most. That said, here is one bulb defying the odds, a ...

Fluorescent lighting uses less energy than comparably bright incandescent bulbs do. So switching to fluorescents will shave your energy bill. The big surprise: Relying on fluorescent lights may also ...

It’s a cruel daily cycle. We get drowsy when it’s time for that big meeting, but are suddenly wide awake when it’s time to hit the hay. But did you ever think that swapping your light bulbs might be ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. LED bulbs, by all indication, herald the future of home lighting ...

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'Tis amazing what a partnership with Google can do. Unless you're a frequent patron of Home Depot, there's a slim chance you'd ever heard of Lighting Science prior to this week's opening I/O keynote.

Two much-publicized electrical companies—General Electric and Westinghouse—supply most of the U. S. with lamp bulbs. In Europe that function is performed chiefly by potent Philips Glow-lampworks of ...

The main light source of the future will almost surely not be a bulb. It might be a table, a wall, or even a fork. An accidental discovery announced this week has taken LED lighting to a new level, ...