The Axiom Blog

Essays from the faculty.

Articles on how students learn, where they falter, and what it takes to move from competent to exceptional.

Featured essay

Dr. Revi Panidha · 31 October 2026

What 21 Coins Taught Me About Game Theory

From a £5 classroom prize at the LSE to Oxford interview problems: why a deceptively simple game is one of my favourite ways to teach backward induction.

Dr Revi Panidha on teaching game theory with 21 coins, backward induction, the history of Nim and two interactive Axiom Tutoring games.

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