A start-up company is offering mercury-free, energy efficient, high-brightness LED lights to replace typical light bulbs in homes and offices. The EcoLED lights use 1/10th the electricity of incandescent light bulbs, and are estimated to last 50,000 hours before burning out (approximately a decade of normal use). Unlike compact fluorescent bulbs, these bulbs contain no […]
Quiet Revolution is an English company that makes visually intriguing wind turbines. The QR5 Vertical Axis Wind Turbine generates 6 kilowatts of power. It’s quieter than your typical wind turbine because the tip speed is slower, due to the triple-helix design, which in turn allows it to be situated closer to buildings and on towers. […]
Here’s a video of the solar tower in Spain that has been getting a lot of press lately. Engadget describes the system: “It consists of a towering concrete building, a field of 600 (and growing) sun-tracking mirrors that are each 120-square meters in size, and a receiver that converts concentrated solar energy from the heliostats […]
There is an amazing building complex in Germany that is completely enclosed in glass and solar cells. The complex covers a total of 123,200 square feet. All this glass creates a pleasant “micro-climate” inside — the interior atmosphere is distinctly Mediterranean (notice the pools and deck chairs in the photos).
The New York Times recently featured an article about people using electric bikes for commuting to work. They recommend spending about $2000 for a good electric bike. You’ll get a range of 20-50 miles with these bikes, and this can obviously be extended with pedal power. Some notable electric bikes shops are Electric Bikes Northwest […]