Modern solar collectors can concentrate only so much energy for safety's sake: too much in one place and they risk cooking themselves. An IBM-led group is working on a new collector dish that could avoid that damage while taking a big step forward in solar power efficiency. The hundreds...
Every day, our Sun beats more energy into the world’s deserts than is used by the entire human race in a year. Every joule of energy in the world’s oil reserves was put there by the sun, millions of years ago. Even uranium was created in the death-rattle explosion of...
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