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.

I’m very proud of my body.

释义：阿那克西米尼可能认为，宇宙中气的流动如同生命的脉搏一样，是宇宙保持活力和生机的关键。