Word: kg
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Dates: during 1990-1999
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...kg (4.5-lb.) device is about the size and shape of a clipboard. In place of a keyboard and an electronic mouse, there is a large liquid-crystal screen and a small electronic stylus. Want to draft a note? Just write directly on the etched-glass screen as you would on a piece of paper; the writing is transformed into letters that appear as if by magic. Want to change a word? Just circle it. Want to cross out a sentence? Just scratch it out. Want to add a phrase? Just draw a little caret under the insertion point...
...Great Smoky Mountains National Park, the main culprits are wild boars, descendants of animals imported to North Carolina in 1912 for hunting. The boars weigh as much as 136 kg (300 lbs.), and, says park official Joe Abrell, "tear up most everything in their paths." Man is responsible as well for oriental bittersweet, a vine imported to control erosion. It is strangling trees. Says park resource specialist Keith Langdon: "Once it gets a grasp on the land, it doesn't relinquish...
...goes according to plan, the competition winners, each weighing 500 kg (1,100 lbs.) or less, will be launched by rocket into Earth orbit. There, high above the atmosphere, each will unfurl a giant sail consisting of wispy plastic coated with a film of aluminum. Positioned by radio signals from the ground, the sails will catch the gentle push of sunlight...
...separate study, Canadian researchers fed twelve pairs of identical twins 1,000 calories above their normal daily intake for 84 days out of a 100- day period. Weight gains ranged from 4 kg to 13 kg (9 lbs. to 29 lbs.). But the difference in the amount gained was much less between twins than between subjects who were not siblings. Concludes Claude Bouchard, a professor of exercise physics at Quebec's Laval University: "It seems genes have something to do with the amount you gain when you are overfed." Some sets of twins transformed the extra calories into mostly...
...carbon fiber and various metal combinations have proved to be stronger, stiffer, more shock absorbent and lighter than steel ones. The popular Kestrel frames from Cycle Composites, based in Watsonville, Calif., are made of molded carbon fiber. One-piece and aerodynamically designed, they are stronger and up to 1 kg lighter than premium steel frames...