John Carlos Baez on Nostr: nprofile1q…9k56a - I have a crystal of calcite and I think seeing how it splits ...

nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqa70vh79juh2xq8uvg4lcxyr8dn7e5un5s86r9dvpgpxh5tqhd6kqx9k56a (nprofile…k56a) - I have a crystal of calcite and I think seeing how it splits light is a good way for someone with no formal knowledge about electricity and magnetism to believe that polarization exists. Seeing is believing! Also, playing around with two polaroid filters is good.