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1. Robert McNees (mcnees@mastodon.social)'s status on Wednesday, 28-Dec-2022 00:48:48 UTC Robert McNees

   in reply to

   Last year the USPS issued stamps featuring Chien-Shiung Wu. And even though they did not use my proposal for the sheet, shown below, you should still buy some.

   My arrangement of portraits on the sheet is just a joke meant to remind the viewer that parity is violated — there are more stamps facing one way than the other.

   But the USPS sheet (with all portraits facing the same direction) is perhaps a better representation of parity violation in the weak nuclear force. Let me explain.