The Best Noise Cancelling Headphones Of 2011

Stereo headphones with active noise cancellation technology let travelers hear their music with greater clarity and less ear fatigue. These headphones are useful for those who want to seal out their surroundings, since noise cancellation circuitry is especially effective at countering low-frequency tones (like crowd noise or engine noise on an airplane). Here are four of the best noise-cancelling headphones …

The World’s Smallest Lightbulb

As LED lights and fluorescent bulbs become increasingly mainstream, scientists at UCLA’s Department of Physics and Astronomy have developed a groundbreaking new variation of Thomas Edison’s incandescent light bulb. But don’t expect to find this bulb in your local hardware store anytime soon – unless you normally bring an electron microscope along to do your shopping.

Entry Level Digital Camera: Olympus D-540 Zoom

It can be a frustrating search for quality digital camera for under $200. Many entry-level cameras are poorly built, have terrible image quality, or will only deliver acceptable results under perfect daylight conditions. Against that background, the Olympus D-540 Zoom really stands out, with great color, great flexibility, a 3.3 megapixel CCD coupled with a nice 3x optical zoom lens, …