90% 的人沒想明白：飛機槍口對著螺旋槳，為啥打不到槳葉？

90% of people don't understand: why can't the propeller be hit when the plane's muzzle is facing the propeller?

#科学 #物理 #脑洞 #实验 #趣闻 #知识分享官 #科学科普 #知识 #科普 #生活百科 #知识科普 #Science #physics #brain hole #experiment #anecdote #knowledge sharing officer #science popularization #knowledge #Life Encyclopedia #knowledge popularization #Institute of all things