Increased Productivity, not Less Energy Use, Results from More Efficient Lighting

ALBUQUERQUE, N.M. — Two researchers have reprised in the journal Energy Policy their groundbreaking finding that improvements in lighting — from candles to gas lamps to electric bulbs — historically have led to increased light consumption rather than lower overall energy use by society. Sandia researcher Jeff Tsao examines the set-up used to test diode [...]

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Solar Parabolic Mirrors Concentrate Sunlight to Power Lasers Highlighting the Power of the Sun

Legend tells of Greek engineer and inventor Archimedes using parabolic mirrors to create “heat rays” to burn the ships attacking Syracuse. Though the underpinnings of that claim are speculative at best, a modern-day team of researchers at the Scientific and Production Association in Uzbekistan has proposed a more scientifically sound method of harnessing parabolic mirrors [...]

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