Best Inventions of 2007

From the phone that has changed phones forever, to futuristic cars, to a building made of water, to a remote-controlled dragonfly — a dazzling display of ingenuity

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Edifice Complex

SF Federal Building Inventors Inventions Best of the Rest 2007

Paul Sakuma / AP

The 18-story San Francisco Federal Building has an austere—not to say severe—façade, but it's deceptive. It's really a machine for delivering sunlight and fresh air to the people who work there. Eighty-five percent of the work space gets natural sun, and windows manned by computer let in outside air to maintain the building's temperature with a minimum of air-conditioning. The structure uses a fraction of the energy a conventional office building would.
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