SCIENCE IN THE NEWS DAILY
Novel Solar Thermal Power Concept for California Heats Up
from the Los Angeles Times (Registration required)
DIMONA, ISRAEL -- On the scorched floor of Israel's Negev Desert blooms a field of 1,640 robotic mirrors that behave like sunflowers.
Slightly larger than pingpong tables and guided by a computer, they turn imperceptibly to follow the sun and focus its rays on the pinnacle of a 200-foot tower, where a water boiler will soon start producing high-pressure steam.
This futuristic assembly is Arnold Goldman's scale model and testing ground for five larger solar fields his company plans to build in the Mojave Desert to supply up to 900 megawatts of clean energy to California in the next decade.
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PODCASTS: From Balloons to Space Stations: Studying Cosmic Rays
Cosmic rays have mysterious qualities about them that scientists continue to research in order to better understand their origins and composition. Dr. Eun-Suk Seo, a professor of physics at the University of Maryland, and her colleagues, fly enormous balloons as large as a football stadium and a volume of 40-million-cubic feet for extended periods over Antarctica to study particles coming from cosmic rays before they break up in the atmosphere.
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