Word: watt
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...First Solar scaled production up, it was able to bring its costs down. Solar producers measure their costs in terms of dollars per watt of energy produced, a formula that's a combination of the cost of producing a module and its power efficiency. Right now the best crystalline-silicon makers can sell modules at $3 to $4 a watt; First Solar can sell at around $2.40 a watt, a price the company expects to reduce steadily. "They've really pushed this industry over the threshold," says Travis Bradford, author of The Solar Revolution. "They possess great technology...
...Zealand Antarctic Centre currently shows a display that quantifies the recent growth in the South Pole ice cap. If publications with your status and resources can't get the facts right, what hope has the general public of coming to grips with the complexities of climate change? John Watt, Brisbane, Queensland...
...Energy Gets a Boost "Not a Watt to be Wasted" attracted my interest with its idea of using bridge vibrations to generate electricity [March 17]. A far greater source of energy is the ocean's tides. Off the coast of New England, tides rise and fall up to 4 m twice a day. How about generating electricity from floating pistons on the ocean? Unlike dams, floating pistons would be friendly to marine life; they would not silt up bays and would be far less expensive to construct. Just north of Maine, in the Bay of Fundy, a moon tide...
...that you've moved the Versace brand into a full-blown lifestyle brand, will we see a Versace edition of the Ford Mustang or perhaps a Lamborghini or a Ferrari? Peter Watt, Dearborn, MichiganYes, you will. I already designed a Lamborghini-It's a Murcielago Lamborghini. We designed a limited edition, which I love. I love cars. I wouldn't drive a Lamborghini, though, because I think I would be too dangerous as a driver...
...watt to be wasted" attracted my interest with its idea of using bridge vibrations to generate electricity [March 17]. A far greater source of energy is the ocean's tides. Off the coast of New England, tides rise and fall 8 ft. to 12 ft. twice a day. How about generating electricity from floating pistons on the ocean? Unlike dams, floating pistons would be friendly to marine life; they would not silt up bays and would be far less expensive to construct. Just north of Maine, in the Bay of Fundy, a moon tide can be 50 ft. If intermittent...