Stephen Sekula (steve@chirp.cooleysekula.net)'s status on Thursday, 12-Sep-2019 13:50:44 UTC
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Stephen Sekula (steve@chirp.cooleysekula.net)'s status on Thursday, 12-Sep-2019 13:50:44 UTC Stephen Sekula I used a hydrogen gas discharge tube and a simple DVD disc in class on Tuesday to share the atomic spectrum of Hydrogen with my Modern Physics students. This is the simple joy of revealing the Balmer spectrum, a... https://www.instagram.com/p/B2UDLFanoCO/?igshid=s9rr43ui6u90