Latest Solar panels on spacecraft Stories
By Grose, Thomas K AERONAUTICS Planes that employ solar energy have been around since the 1970s. But Swiss scientist and pilot Bertrand Piccard is developing a sun-powered plane that's truly revolutionary. He expects his Solar Impulse aircraft to circumnavigate the Earth by 2011 in a five-leg, monthlong mission. If he succeeds, it will be the first manned solar-powered plane to take off under its own power and remain aloft once the sun's gone to bed. At night, the plane will glide at lower...
U.S. scientists develop novel windows to channel solar energy WASHINGTON, July 10 (Xinhua) -- Imagine windows that not only provide a clear view and illuminate rooms, but also use sunlight to efficiently help power the building, according to a report by Engineers at Massachusetts Institute of Technology (MIT). The work, appearing in the July 11 issue of the journal Science, involves the creation of a novel "solar concentrator.""Light is collected over a large area (like a window) and...
- A Roman unit of weight, 1⁄1728 of a pound.
- A weight of four grains used in weighing gold and precious stones; a carat.
- In anatomy, a formation suggesting a husk or pod.
- The lowest unit in the Roman coinage, the twenty-fourth part of a solidus.
- A coin of base silver of the Gothic and Lombard kings of Italy.
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