LED

No Need to Change That Lightbulb... Until Late Next Year

Four years ago, the U.S. Congress, to great fanfare, passed a law aiming to phase out the incandescent lightbulb in favor of longer-lasting, more energy-efficient alternatives. Recently, to even more fanfare, the U.S. Congress changed its mind. Whether this is good news or bad news is a matter of opinion.

Should Your Teen Be Allowed to Buy a Real 'Lightsaber'

The Spyder III Arctic Pro is a hand-held laser that looks remarkably like a lightsaber. That wouldn't be a problem, if it weren't almost as much of a menace as the fictional weapon. And with lasers getting rapidly more powerful and less expensive, regulation is falling behind.

A Beacon for U.S. Manufacturing

California's Lunera Lighting is a cutting-edge LED maker that's keeping its production close to home, at a contract manufacturer in the East Bay, near San Francisco. Its reasons for doing so shed light on some forces that could aid other U.S. manufacturers in the race for global competitiveness.