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...energy from relatively small temperature differentials. Right now it's used mostly to power rechargeable batteries in wireless devices, but as the technology improves, it could begin to harness the vast amount of energy lost as heat in the fossil-fuel plants that provide most of our electricity. "Sixty percent of the world's energy is wasted as heat," says Rama Venkatasubramanian, a thermoelectric expert at the research firm RTI International in North Carolina. "If we could tap into just 10% of that, it would be a big thing for energy efficiency." Let's hope he's right: there...
...takes less than one minute to register for Harvard’s emergency alert text messaging service, “Message Me,” but almost 40 percent of the University’s student body has yet to sign...
Harvard’s enrollment rate is still well above the service’s national average of 39 percent...
...Europe plagued with chronic budget deficits, the administration also run a healthy budget surplus in years of strong economic expansion. According to official finance ministry data, in 2007 the fiscal surplus was the second only to Finland in Europe, totaling over 23 billion euros or 2.3 percent of GDP. In fact, the government grew the surplus over 30 percent in the last year, which was the third consecutive without red on the balance sheet...
...Terry Madonna of Franklin & Marshall College. "They can't afford to let it alone even though it won't give anyone enough pledged delegates for a victory at the convention." Madonna's latest poll, taken in mid-February, shows Clinton holding a good lead in Pennsylvania, 44 to 32 percent, but Obama has closed the gap since January, when he was 20 points down. Democratic consultant Larry Ceisler believes that by winning Texas and Ohio, Clinton proves she can win Pennsylvania...