I demo the Zeeman effect with a sodium flame and 1 tesla electromagnet! Inspiration on xoFunkox's channel: Follow-up video: Zeeman effect Wikipedia: 18W low-pressure sodium lamp on Amazon: Microwave oven transformer. The price has been going up on these. I seem to remember paying just $10 or $20 each. Finding junked microwave ovens is fairly easy too. Magnetic field meter: =oh_aui_detailpage_o02_s00?ie=UTF8&psc=1 50A power supply (DC stick welder, not this exact model, but very similar) ?
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