Word: lithium
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...with the Chevrolet Tahoe and GMC Yukon 2-mode hybrids," LaNeve added. At the same time, GM is still planning to roll out the Chevrolet Volt, a plug-in electric vehicle that will run on battery power rather than gasoline, in late 2010, despite some skepticism about whether its lithium-ion battery will be ready for the road...
...wasn't until November 2006 that the Pentagon set a uniform policy for all the services. But the curious thing about it was that it didn't mention the new antidepressants. Instead, it simply barred troops from taking older drugs, including "lithium, anticonvulsants and antipsychotics." The goal, a participant in crafting the policy said, was to give SSRIs a "green light" without saying so. Last July, a paper published by three military psychiatrists in Military Medicine, the independent journal of the Association of Military Surgeons of the United States, urged military doctors headed for Afghanistan and Iraq to "request...
...built for 2011, is a marvel of optimization. Its 200 ft. (61 m) wingspan is covered with photovoltaic cells, which convert the sun's rays into roughly the same amount of energy needed to light a large Christmas tree. That solar power drives four electric engines, and loads four lithium batteries - a quarter of the aircraft's total weight of 3,300 lbs. (1,500 kg) - which allow the plane to continue flying through the night. Project director and co-pilot André Borschberg says that while labs around the world are developing lighter and more effective batteries, those currently...
...saving bits of energy and environment here and there add up, then Finland's Enfucell has a battery that will help people make a difference by cutting down on all the metal, lithium and alkaline that leaks from conventional cells. "Our battery doesn't have to go to the battery-recycle bin. It's disposable as household waste," says Jaako Happonen, 50, Enfucell's chief executive...
...ordinary "button" batteries (like the one in your watch) and "finger" batteries (think AA). Ions travel from an anode, pass through a solution called an electrolyte to a cathode and emerge as an electrical charge. Instead of running ions through metal casings full of toxic and corrosive substances like lithium and alkaline, Enfucell uses a thin paper sheet as a conduit. It pastes one side with zinc and the other side with manganese dioxide. Ions flow through an electrolyte solution of water and zinc chloride within the paper...