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Latest Marc Baldo Stories

2013-04-18 23:40:26

Throughout decades of research on solar cells, one formula has been considered an absolute limit to the efficiency of such devices in converting sunlight into electricity: Called the Shockley-Queisser efficiency limit, it posits that the ultimate conversion efficiency can never exceed 34 percent for a single optimized semiconductor junction. Now, researchers at MIT have shown that there is a way to blow past that limit as easily as today's jet fighters zoom through the sound barrier...

2008-07-11 09:00:59

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...


Word of the Day
toccata
  • In music, a work for a keyboard-instrument, like the pianoforte or organ, originally intended to utilize and display varieties of touch: but the term has been extended so as to include many irregular works, similar to the prelude, the fantasia, and the improvisation.
This word is Italian in origin, coming from the feminine past participle of 'toccare,' to touch.
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