Complete Solution To The Twins Paradox

One of the most famous paradoxes of all of physics – who’s older? Who’s younger? and WHY? ***** Thanks to The Great Courses Plus (free trial here: http://ow.ly/RCty302dIHU) for supporting MinutePhysics *****

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This video is about the famous “Twins paradox” of special relativity, how time can appear to be faster for two different observers at the same time, and which twin really is older (or younger) – the one who stays on earth or the one who flies in a rocket ship to the stars?

Music by Nathaniel Schroeder, http://www.soundcloud.com/drschroeder

REFERENCES

Muon lifetime and time dilation/relativity: http://hyperphysics.phy-astr.gsu.edu/hbase/relativ/muon.html#c2

MinutePhysics video about Time Rotations & Einstein: https://www.youtube.com/watch?v=ajhFNcUTJI0

Experimental test of time dilation using doppler shift of light: https://en.m.wikipedia.org/wiki/Ives–Stilwell_experiment

Lorentz Transformations: https://en.m.wikipedia.org/wiki/Lorentz_transformation

Relativity of Simultaneity: https://en.wikipedia.org/wiki/Relativity_of_simultaneity

Paper on twin paradox under constant acceleration: https://arxiv.org/pdf/physics/0604025v3.pdf

Taking Cesium atomic clocks aboard airplanes: https://en.wikipedia.org/wiki/Hafele–Keating_experiment

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Created by Henry Reich

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