In Sweden, Synsam is one of the major Swedish retailers, as is the chain Synoptik. Some independent opticians also carry the glasses.
Nick Edser,Business reporters
Turbulence doesn’t have to be a matter of word-of-mouth. Commercial jets have the capacity to measure and transmit it automatically—using the software Cornman developed at NCAR in the early nineties—and have it relayed to other pilots. The software is freely available to airlines, but most of them balk at the cost of sending and processing the data, and sharing it with others. “It’s not much, but it adds up,” Sharman told me. “A lot of them are saying, ‘Wait a second, we’re barely making it. We can’t afford another hundred thousand on transmission!’ While the ones that are willing to pay for it say, ‘Why should I share my data with somebody else who doesn’t?” So far, only around two thousand planes have been equipped with the software—about one in four planes in the American fleet.，推荐阅读夫子获取更多信息
这位官员的意思很直白：一家盈利的科技公司，就别试图用自己的价值观去左右美国军方的决策了，更别说动不动就把国家安全挂在嘴边。
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Astronauts have handled many maladies over a quarter-century at the space station, but most, such as toothaches and earaches, aren't deadly. Astronauts also have managed minor injuries and infections, back pain, motion sickness, headaches, and vision changes with telemedicine and the onboard medical kit, according to public reports.