energy efficient

TV Sales Grow Globally, But Not in North America

Americans are buying fewer televisions, according to a new report from DisplaySearch. Overall, North American TV shipments fell 3% in the second quarter, even as worldwide shipments grew 26%.

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.