REF-3978Free with an account
The Portal A/B Thought Experiment
A hand-drawn physics explainer turns a moving-portal puzzle into two testable rules, then checks the game's behavior.
Maker @MinutePhysicsFor MinutePhysics
Sign up free to open this film.
A free account opens all 4,022 films: the player, the measured cut map, frame sheets and the first plates of every blueprint.
Takes an email or Google. No card.