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  • 00:27
     
    #spacetime diagrams   
    A quick reminder - spacetime diagrams plot position on the horizontal axis and time on the vertical axis, and something moving as time passes traces out a path through spacetime called a worldline.
  • 02:58
     
    #spacetime globe   
    A big thanks again to Mark Rober for making the spacetime globe a reality, and to dive more into the details of relativity of simultaneity, I highly recommend heading over to Brilliant.org's course on special relativity that they've been developing simultaneously with this video series (well, at least, simultaneous from my perspective).

Relativity of Simultaneity | Special Relativity Ch. 4

Go to http://brilliant.org/MinutePhysics for 20% off a premium subscription to Brilliant! Mark Rober's youtube channel: https://www.youtube.com/markrober The previous videos in this series: Chapter 1: Why Relativity is Hard https://www.youtube.com/watch?v=1rLWVZVWfdY& Chapter 2: Spacetime Diagrams https://www.youtube.com/watch?v=hTxWAQGgeQw Chapter 3: Lorentz Transformations https://www.youtube.com/watch?v=Rh0pYtQG5wI This video is chapter 4 in my series on special relativity, and it covers how things that appear simultaneous from one perspective in our universe aren't simultaneous from other moving perspectives - that is, from inertial reference frames moving at different speeds. This is explained via the Lorentz transformation of coordinates of the events in question, enacted with a mechanical minkowski diagram, aka mechanical Lorentz transformation, aka spacetime globe. Support MinutePhysics on Patreon! http://www.patreon.com/minutephysics Link to Patre






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