You can't go back and change the beginning, but you can start where you are and change the ending.
The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.
Sorry for party rocking
物理学家是一位探险家,他不满足于停留在已知世界的边界内。
每天早上我醒来时,躺着的不是我的床,住的不是我的房子,过着不是我自己的人生。
"A great cinematographer knows when to break the rules to create something extraordinary."
An eye for an eye will only make the whole world blind.