The Light Switch Problem Numberphile

Featuring Ben Sparks... See https://brilliant.org/

Featuring Professor Howard Masur from the University of Chicago. Filmed at the Mathematical Sciences Research Institute (MSRI) ...

Extended math version: http://youtu.be/ugbWqWCcxrg?t=2m32s A version for Dummies: https://youtu.be/7u6kFlWZOWg More ...

Featuring Matt Parker... Part 2 (solution) here: https://youtu.be/pasyRUj7UwM More links & stuff in full description below ...

Featuring James Grime... Check out Jane Street's "Puzzle Page" for great brain teasers ...

Signup for your free trial to The Great Courses Plus here: http://ow.ly/b5wA30hIviV (sponsor) More links & stuff in full description ...

Featuring Dr James Grime... See https://brilliant.org/

Featuring Tom Crawford and an Oxford Admissions Question... Check out Brilliant (get 20% off their premium service): ...

Featuring Ben Sparks... Check out Brilliant (get 20% off their premium service): https://brilliant.org/

Featuring Tony Padilla. Check https://brilliant.org/

Fix

Featuring Neil Sloane - more details below. Gear Train (episode sponsor) is at https://www.metmo.co.uk/collections/gear-train with ...

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