The Guide To Efficient Living
It’s called the GreenPix Zero Energy Media Wall, and with 2,292 individual color LEDs, comparable to a 24,000 sq. ft. monitor screen, it’s said to be the largest color LED display in the world. The wall is solar-powered too — photovoltaics are integrated into the wall’s glass curtain, and it harvests power during the day,… [Continue Reading]
This unusual solar tower was designed by Israeli architect Haim Dotan for AORA Solar. It is set to launch on June 24 in South Israel. The tower has 30 tracking mirrors (heliostats) that reflect sunlight towards the top of a 30-meter high solar tower. The top of the tower has a special solar receiver and… [Continue Reading]
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… [Continue Reading]
A company called GreenCore Air has released an air conditioner than can be powered by a single 170 watt solar panel. The GreenCore air conditioning unit can heat and cool a 600 square foot room. It runs on DC power, so there is no need to put an AC inverter between the solar panel and… [Continue Reading]
Wireless earbuds allow you to listen to an iPod or MP3 player without a tangle of cords. They are particularly useful for listening while you are engaged in sports. There are two types of wireless earbuds: those that transmit wirelessly via an iPod adapter, and those that attach directly to an iPod shuffle. Most of… [Continue Reading]
Update: See our latest post on LED Light Bulbs For The Home. I recently had the chance to test two state-of-the-art LED light bulbs from EarthLED. LED bulbs have many advantages over incandescents and compact fluorescent: they use very little power, they last 10 years or more, and they contain no hazardous substances. They are… [Continue Reading]
Update: There are now many other LED flashlights that exceed this one, see my article the Brightest LED Flashlights. A triumph of careful thought, detailing and thorough testing, the Neofab Legion II is a new single LED flashlight that is said to produce a whopping 742 lumens. If accurate, this light will be the brightest single-LED… [Continue Reading]
Here’s a video from a company called AC Propulsion, showing how straightforward it is to convert your car to electric power.
Photo of Clipper’s 2.5 Megawatt turbine — the 7.5 megawatt turbine will be much larger. The Queen is investing in the world’s largest wind turbine. It’s a prototype of a new line of wind turbines called “The Britannia” which will be produced by Clipper Windpower, based in California. The turbine tower stands about 328 feet,… [Continue Reading]
LED light bulbs have some huge advantages over incandescent and compact fluorescent (CFL) bulbs. But they perform differently, so here’s your guide to understanding LED bulbs so you can enjoy their benefits and play to their strengths.
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