Math and physics, explained visually. New videos posted daily.
Crossing a pole, crossing a platform, overtaking and crossing another train, plus a worked example.
Algebraic expansion plus a geometric proof splitting a square into four regions.
Step-by-step derivation of the difference-of-squares identity.
Full expansion of the cube of a binomial difference.
Union, intersection, difference and complement on a live Venn diagram using Manim's own boolean geometry.
Mental-math shortcut, worked through 23³ = 12167.
Shortcut technique with voice narration, worked through 58² = 3364.
Add the digits and sandwich the sum between them, worked through 54×11=594 and the carry case 78×11=858.
Vedic Math cross-subtraction shortcut for multiplying two numbers close to 100.
Instant squares for any number ending in 5, using n×(n+1) followed by a fixed 25.
Vedic Math shortcut for squaring numbers close to 100 using the deficit method.
Derivation of F = ma from the definition of force and momentum.
Accumulating-blackboard derivation keeping every prior step visible.
All three laws of motion in one line each: a sliding phone, a growing force-acceleration chart, and rocket recoil.
"Raging Martians Invaded Venus Using X-ray Guns" — the electromagnetic spectrum in order of increasing energy.