Word: blue
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...world is a brighter place because Shuji Nakamura is not easily discouraged. In 1993 he astonished the scientific community with the first successful blue light-emitting diode, or LED. The blue LED was the last step in the creation of lighting's holy grail, the brilliant white LED--an ultra-efficient successor to Thomas Edison's incandescent lightbulb, circa...
...soon followed up the blue LED with the first bright green and white LEDs. An LED is a semiconductor that generates light, but very little heat, when an electric current is passed through it. Different semiconductor materials produce different colors; Nakamura used gallium nitride, which generates blue and white light. The resulting LEDs use as little as one-seventh the energy as an incandescent bulb and can last about 100 times as long, up to 100,000 hours. If they were widely used, LEDs could lead to enormous energy savings and carbon-emissions reductions. In the developing world, LEDs paired...
...constitution and abolish the presidency, a prospect that encouraged Yushchenko to strike first and dissolve the Rada. Tensions are growing. In a mirror image of the orange fall of 2004, a tent city has rapidly formed around Kiev's Rada and Cabinet buildings, though this time in pro-Yanukovych blue and white. These colors mix with the red banners of his communist and socialist coalition allies in Independence Square, while orange loyalists have set a defensive tent ring around the President's office. The Crimean autonomous region in the east passed a resolution supporting Yanukovych; the Lviv region...
Having pulled the tall sheaf of surveys out of his small blue backpack—where they occupied considerably more space than any academic or course materials—Ragalie identified some of those which he found most surprising after the meeting...
...galling for the Chinese. At the Watersports World Championships in Melbourne, which ended on April 1, China completely dominated the diving competition, with its male athletes taking nine out of 10 golds on offer and bagging several silvers and bronzes too. Their one failure came in the sport's blue-ribbon event: the 10-meter board competition. China's formidable sports machine knows that it only has itself to blame for that loss. But it was willing to lose a gold to enforce a rigid discipline on its prized athletes...