Solar Trees May Light Up Europe

This is a great innovation — the streets of Europe could soon be lit by "solar trees". These self-contained streetlights could save cities energy and money too. Unlike regular streetlights, they do not require costly underground wiring to install, and they are immune to blackouts. Designed by Ross Lovegrove, the lights have 10 solar panels […]

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The Greenest Skyscaper In The U.S.?

This skyscraper, One Bryant Park, is being constructed on 42nd street in New York. The tower will be hard to miss: it has a faceted glass facade that maximizes the daylight entering the building, while minimizing the heat. The 54-story building is designed to earn the LEED Platinum rating (the highest designation from the U.S. […]

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New 3D Solar Cells Created

Recently, we featured some intriguing spherical solar cells from Japan. But now there’s an announcement that unique 3D solar cells have been created using nanotubes. The 3D solar cells capture photons from sunlight using an array of miniature “tower” structures that resemble high-rise buildings in a city street grid. The tower structures, which are about […]

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Evaders: High Performance Electric Bikes

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It is good to see these kinds of electric bikes available in the U.S. at a reasonable price ($999 for the model above). The noise level is less than 55 decibels, which is about as loud as falling rain. These bikes are street legal and can go up to 45 miles per charge. Thanks to […]

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