Let me let you in on a little secret: Amazon’s kid-friendly e-readers are a better deal than the standard models. Each so-called “Kids” device is identical to its non-Kids counterpart, except that it comes with a protective case, an extended two-year warranty against damage, and six months of Amazon Kids Plus. They also include optional parental controls and exclude ads, letting you skip the $20 upcharge Amazon typically requires to remove its pesky lockscreen notices.
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A few years ago, Cornman found a way around the problem. In the U.S., commercial flights served by air-traffic control—some twenty-seven thousand a day—are required to transmit their position, altitude, and velocity. By tracking those transmissions and the planes’ motions over time, a new program that Cornman developed at NCAR can create a moment-by-moment snapshot of turbulence as it’s happening. The F.A.A. is planning to test the program this year. Together with NCAR’s earlier software, Sharman’s forecasting models, and data from radar arrays on the ground, this system could start to give pilots the advance warning they need. “That is the future for me,” Cornman said. “All these operations get integrated in a seamless network. The pilots don’t have to talk to air-traffic control and say, ‘Should I go up or down?’ They just get a display with a color-coded flight track on it. And they see that it looks better a few thousand feet up.”