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, …

The Best External Hard Drives Of 2012

Western-Digital-My-Book-Studio

External hard drives allow you to add terabytes of storage to your computer for a few hundred dollars. External drives connect to PCs and Macs via their external connectors. Almost every computer has a USB 2.0 port, so it’s the most common type of connection currently. Here’s the speed of other interfaces (from slowest to fastest): FireWire 400, USB 2.0, FireWire 800, eSATA (external …

Micro-Wind Turbines: Update

I first wrote about these wind micro-wind turbines for TreeHugger in March. Since then the microturbines have become available for sale through the Motorwave website (here’s a direct link to the store). Right now, shipping costs from Hong Kong are about $300, but Lucien Gambarota, the inventor says he hopes to offer the turbines for sale in the U.S. soon. …

Stunning Solar Building Will Generate More Power Than It Needs

The Masdar Headquarters building will produce more power than it needs (an energy positive building). In fact, the solar roof (one of the largest in the world) will be constructed first, and it will power the construction of the rest of the building. The video link on this page has a great view of the sun-infused interior.

New Record: World’s Largest Wind Turbine (7+ Megawatts)

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The world’s largest wind turbine is now the Enercon E-126. This turbine has a rotor diameter of 126 meters (413 feet). The E-126 is a more sophisticated version of the E-112, formerly the world’s largest wind turbine and rated at 6 megawatts. This new turbine is officially rated at 6 megawatts too, but will most likely produce 7+ megawatts (or …