Wednesday, 28 December 2022

Proof by contradiction


 Proof by contradiction, also known as indirect proof or reductio ad absurdum, is a method of proof in which a claim is shown to be true by showing that the opposite of the claim leads to a contradiction or absurdity.

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Doppler Rocket

Demonstrating the Doppler effect with the @pascoscientific Doppler Rocket: As the rocket moves away, students can hear the pitch drop (red s...