科技进步总比疯买lv强

来源: 2016-08-17 16:43:57 [博客] [旧帖] [给我悄悄话] 本文已被阅读:

曾有位著名的科学家,写了一篇论文 'heavier than the air' .给出数学证明所谓飞行器不可能.

the very next day. Wright brothzer approved he was wrong.