尽管过去两年中东大片空域曾多次受限，该地区已习惯中断，但如此大规模的全面停飞史无前例。此次局势凸显了伊朗与美以对抗的严重性，这场冲突已令这个能源富集地区陷入动荡。
λ∝1d2\lambda \propto \frac{1}{d^2}λ∝d21: If the molecule is twice as wide, it's actually four times more likely to collide (because the area it occupies matters).，这一点在新收录的资料中也有详细论述
“If there are three of you in the group, a response, if only an emoji, is almost expected,” Wesson said. “In group of 50 or more it is practically a criminal offense.”，更多细节参见新收录的资料
Read the full story at The Verge.