“I talk to the airlines, and they realize there is a looming threat,” Paul Williams told me. “But it’s quite distant for them. They see it as decades in the future. The people really taking notice are the designers. The airplanes they’re designing now will still be flying in 2050, so they can’t wait. And here is a bit of a shocking thing: the design and certification standards for air worthiness are based on turbulence measurements from the nineteen-sixties. It’s reasonable to ask, Are those standards still fit for the purpose? Will they still be fit for the purpose in 2050?”
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To be sure, there are also key differences between today and the 1970s that may prevent a repeat of that era’s crisis. For one, the U.S. is now the world’s largest oil producer, topping even Saudi Arabia.
Прямо в цель.Как в России создают самые мощные и точные снайперские винтовки в мире24 октября 2023。关于这个话题，体育直播提供了深入分析
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Зеленский назвал условие проведения выборовЗеленский: Выборы на Украине могут быть проведены лишь после окончания конфликта。WPS下载最新地址对此有专业解读