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...affordability, lithium-ion battery packs currently cost about $1,000 per kilowatt-hour of capacity. Which means the GM Volt's 16-kW-h battery pack alone would cost $16,000, according to some industry analysts. The price per kilowatt-hour has to fall below $500 to make production viable - and it will. (See pictures of Detroit's beautiful, horrible decline...
...contained only the tiniest slip of instructions: basically, download the latest version of iTunes (9.1 for those of you who must know these things) and follow the instructions from that point onward. A little hubristic, I thought, this pointed refusal to trumpet on arrival. But a half-hour after the unsurprising ritual ("Agree?" "Continue") of synching the latest of my Apple products to its desktop ancestor and uploading my iTunes library, my iPad was ready. It was as if I had known it all my life...
...Research Institute in Jupiter, Fla., examined three groups of lab rats that were fed various diets for 40 days. One group was given typical rat chow only; a second group was offered rat chow, plus a buffet of bacon, sausage, cheesecake, chocolate frosting and other delectable goodies for one hour a day; and a third group was allowed extended access to the fatty buffet for up to 23 hours a day. (See the 10 worst fast food meals...
...extended-access group began consuming twice as many calories as the other rats, and, not surprisingly, became obese. The limited-access rats, meanwhile, developed a binge pattern of eating, consuming most of their daily calories during the single hour they were allowed in the junk food "cafeteria...
...months of mounting tension, the leaders of the U.S. and China appear to be putting recent strains in their relationship behind them. China's Foreign Ministry announced on Thursday, April 1, that President Hu Jintao would attend the global nuclear-security summit in Washington on April 12 and 13. Hours later, Hu and President Obama spoke for an hour by phone. Considerable differences on a wide range of issues are unlikely to be easily resolved, but Washington and Beijing may be moving to manage those differences in a more cooperative fashion...