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Archive for the 'Tecnologí­a' Category

Th!nk City: “The iPod Car for the Google Generation”

As the cost of oil continues to soar, and as big names like GM and Ford plan to focus production on smaller, more fuel-efficient cars, Norway’s Th!nk City car couldn’t be entering the US at a more opportune time.
The Th!nk City is a [...]

Super Efficient Floating Wind Turbines from Magenn

by Alexandra Kain

Wind turbines at ground level produce at a rate of 20-25%, but when placed at altitudes from 600-1000 feet, energy output can double. Ottawa-based Magenn Power is in the prototype stages of the world’s first floating wind turbine. The Magenn Air Rotor System or MARS is a stationary blimp kept afloat with helium [...]

Solar Canopies For Parking Lots

A start-up company called Envision Solar has begun installing solar canopies in shopping center parking lots. Parking lots, which are usually barren, heat-producing landscapes, can now provide shade for customers, while generating up to a half-megawatt of electricity. Envision’s “Solar Groves” incorporate lights that turn on automatically at night, while blocking skyward light pollution.
Via MetaEfficient
Here are [...]

Start-up announces extreme solar cells

Sunrgi, a Hollywood-based start-up, came out of stealth mode this week claiming it can collect twice as much sunlight as other photovoltaic designs and convert it to electricity for 5 cents a kilowatt-hour, on par with fossil fuels.
The company’s core technology is concentrating solar power, which uses lenses to focus sunlight onto small strips of [...]

Engineers Without Borders Bring Tech to Villages Without Power

By Alexis Madrigal 03.18.08 | 8:45 PM

Engineers Malcolm Knapp and Heather Fleming helped design a low-cost turbine that will be deployed in the rural areas surrounding Quetzaltenango, Guatemala’s second largest city.
Photo courtesy Jim Merithew/Wired.com
A group of volunteer engineers are finishing the design for a home-brewed wind turbine that will bring electricity to [...]

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