Teaching in the Age of AI: A Math Professor Proposes a Faraday Cage

AlexKontorovich · x · 2026-08-27

Mathematician Alex Kontorovich sparked a discussion on teaching in the AI era: in-class exams are the obvious answer, but that raises questions — do we police bathroom trips? How do we stop students wearing Meta smart glasses?

The best (though likely infeasible/too expensive) idea he's seen: build a Faraday cage around the classroom and bathrooms. Bring your phone and watch — they simply won't work, and you'll have to use your brain.

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