When an electron dropped from a high-energy orbit to a lower-energy one, it gave out light with an energy equal to the ...

The Tesla, Trump & Twitter guy is way too functional, too mercenary, too glib, too lacking in humanity and any kind of self-awareness, and too morally compromised to be any kind of philosopher king.

泡利是量子论、量子力学和量子场论的构造主角之一。不相容原理、矩阵力学解氢原子问题、泡利方程、自旋—统计定理以及预言中微子等是人们熟知的泡利的几项成就。此外，就对物理学的理解与阐释能力而言，泡利也是罕有其匹的。关注泡利的成长过程有助于我们理解什么是合格 ...

Satyendra Nath Bose, more widely known as Satyen Bose, devoted 24 of the best years of his life to Dhaka University. On 1 ...