也是一只自由泳的小鸟
QED 这书读得我真的很想去看那本 Reasoning about Uncertainty... 那本 Introduction 里的引言就很吸引我：
"When one admits that nothing is certain one must, I think, also admit that some things are much more nearly certain than others. It is much more nearly certain that we are assembled here tonight than it is that this or that political party is in the right. Certainly there are degrees of certainty, and one should be very careful to emphasize that fact, because otherwise one is landed in an utter skepticism, and complete skepticism would, of course, be totally barren and completely useless."
— Bertrand Russell, Am I an Atheist or an Agnostic?
[...] Schwinger, Tomonaga, and I independently invented ways to make definite calculations to confirm that it is true (we got prizes for that).
然后我去查了，是 Nobel Prize
It was expected that only protons and neutrons would come out. But when the energies became sufficiently large, new particles came out. First there were pions, then lambdas, and sigmas, and rhos, and they ran out of the alphabet.
为何我联想到新冠。。。或者 run out of the alphabet 是常事吧
（向您安利中文（认真
啊？这就是你叫量子色动力学的原因？
夸克的有不同的 colors 和 flavours，我刚感叹了一句“真是色香味俱全”，结果就查到如图。。
学这种东西不会饿吗？