Electricity and Shabbat: Part 2 – Microphones

A brief history of halachic rulings related to microphones on Shabbat including attempts to create a Shabbat-compliant microphone. Rav Moshe Feinstein and Rav Shlomo Zalman Auerbach deal with why a microphone is prohibited on Shabbos. Does the concept of עובדא דחול come into play?

Delivered at the OU Israel Center, May 9th, 2018, 25 Iyyar 5778

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