Credit: Exoticase
The company’s tech comes from an unusual source: a $100-million-endowed program at Caltech to develop orbital solar plants that would beam electricity to Earth below. The researchers ultimately settled on a sail-like structure that is thin and flexible compared to boxy, traditional satellites.
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这叫“变工”，讲究人多力量大，也是一种在乡村社会里衍生出的互助生存模式。秋收后碾麦子和胡麻，逢年过节杀羊杀猪，还有红白喜事彼此帮忙办席。这样一来，不仅效率高，还有热火朝天的热闹气氛。，推荐阅读夫子获取更多信息