搜索 - 科创

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2020年2月14日，发生在内蒙古自治区四子王旗的超级冰晶晕事件震惊了全世界。我们本来是因为Kern弧、44°幻日和Liljequist幻日而欢呼，没想到还有后续发展。在这次事件中，Kern弧异常地明...

这几天看到一篇德国的论文，讲的是用激光照射咖啡粉从而模拟冷萃咖啡，感觉很有意思。但是他这个没有说明用的激光器的型号，只是给了大致的参数，有没有大佬能通过参数看看用什么激光器比较合适？或者有对应的型号？...

转载者注：人应当谦虚，所以没有人在严肃的场合以第一人称回答这个问题。但是，每个有科学家追求的人都有一个自我心理归位。博文也告知，对于不精确甚至会有错误的科学研究，BS的行为着实不可取。对于关注...

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