Though the Finally bulb is very energy efficient when compared to an incandescent, it’s a bit less efficient than an LED. At 14.5 watts, and a lumens-to-watt ratio of 55, it’s more in line ...

Apple's logo, one of the most recognizable symbols worldwide, is lauded for its simplicity and the intriguing theories about its meaning, particularly the bite mark. Richard Lau, president of LOGO ...

(Stachel was named a CNN 2013 Top 10 Hero.) It may seem like a throwaway technology to us. But for perhaps 20 percent of the world population, a functioning, reliable light bulb is a godsend.

Cost also is an issue. “We’ve seen samples of LED strip lights that cost $300 per ft,” says Dupuy. But, virtually everyone agrees that LED lighting technology is advancing and costs may tumble.