Building the Pauli exclusion principle from scratch
Mahesh explores identical particles, fermions and bosons, then connects electron spin to Feynman’s belt trick.
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FloatHeadPhysics
Mahesh Shenoy makes intuitive physics videos as FloatHeadPhysics, helping viewers work through relativity, quantum mechanics and the maths behind them.
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Why sine waves can build other shapes
A new Fourier explainer asks why the same mathematical idea turns up in Wi-Fi, MRI and radar.
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Why quantum mechanics needs imaginary numbers
He builds toward the Schrödinger equation through matter waves, energy and momentum operators, and the role of the imaginary number i.
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Untangling time near a black hole
Mahesh tackles questions about falling through an event horizon, including whether objects freeze there and whether an observer sees the universe’s entire future.
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Taking on Bell’s spaceship paradox
Two accelerating spaceships are connected by a string. Mahesh works through whether it snaps, using acceleration, simultaneity and proper distance.
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