制造链式反应机器的基本点当然是确保每次裂变产生一定数量的中子,其中一些中子将再次产生裂变。
我们都是欲望的囚徒,牢房的钥匙就在我们自己手中。
It's easier to ask forgiveness than it is to get permission.
To deny our evolutionary past is to deny our very selves.