Word: heats
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...that going green wasn't just about saving the polar bears but also cutting waste and saving on rising fuel bills and building a stronger, more resilient town. Those arguments made sense even to Greensburg's old-timers. "Our church sometimes costs up to $1,000 a month to heat," says George, who plans to reconstruct the building to meet the highest energy-efficiency standards. "Now, I'm not a tree hugger by any means," he says. "But we have to be prepared for a future in which energy costs are only going...
...piezoelectrics pale next to the biggest opportunity to scavenge energy: heat. The thermoelectric effect--temperature differences between two ends of a circuit can be converted directly to voltage--allows us to recover some of that lost energy. For years the technology was too costly to be widely used outside extreme examples like the space program, but new companies like the California-based Thermo Life can produce 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...
...perhaps for good, which means it's time to extend beyond energy efficiency to energy-scavenging, harnessing the sort of wasted watts we wouldn't have bothered with in the past. Fortunately, scientists are finding new ways to harvest unused energy from the environment, industrial activities and even the heat and motion of our bodies. "Energy-scavenging has been around for years, but because of the fuel crisis, everyone from big companies to small ones is looking to utilize it," says Marc Poulshock, president of Thermo Life, which produces devices that can harness thermoelectric energy. "It's a very...
...only certain thing in this race is uncertainty. If you look at a four-month graph of the campaign, you will see that up to now, time has been very, very good to Obama. He has turned a 20-plus-point deficit in the national polls into a dead heat, spoiled Clinton's plans to wrap things up by Feb. 5 and ground his way through 43 primaries and caucuses to build a lead in pledged convention delegates that appears virtually impossible to close. As impressive as her wins in Ohio and Texas were, Clinton made up scant ground...
...verdict is clear: Clinton's jabs at the media gave her a focus and energy she lacked through Obama's long string of February victories. The battle fired up her supporters, it offered an explanation for her losses, and it may have inspired some journalists to turn up the heat on her opponent to prove their fairness. (It didn't help that in the days before Texas and Ohio, he responded to that heat with a surprising lack of aplomb.) Obama stopped rising in the polls. Clinton stopped falling. The latest Gallup tracking poll once again has the race...