The science of teacher education Undergraduate program prepares primary and secondary classroom leaders capable of inspiring their students. Emily Finn, MIT News Office By many accounts, the picture of science education in the United States is bleak: American stud ...
Measuring Fractures – Quality and Quantity By BOB HARDAGE Click to Enlarge As has been emphasized in the three preceding articles of this series, when a shear (S) wave propagates through a rock unit that has aligned vertical fractures, it splits into two S waves – a fast-S (S1) m ...
MIT researchers have found a way to improve the energy density of a type of battery known as lithium-air (or lithium-oxygen) batteries, producing a device that could potentially pack several times more energy per pound than the lithium-ion batteries that now dominate the market for rechargeable dev ...
据美国EIA报道，2009年和2010年美国本土电价最高的地区是纽约（ http://www.eia.gov/todayinenergy/detail.cfm?id=2330 ）。我们中国的电价地区差异有这么大吗？请知情者提供资料，谢谢！ Wholesale electricity prices in New York City are the highest in the contiguous U.S. Wholesale, on-peak elect ...
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