When 2 + 2 = 3.999999999…

Name: When 2 + 2 = 3.999999999…
Uploaded: 2026-02-28T18:13:02+00:00
Duration: 32 s
Channel: minutephysics
Description: Full video: https://www.youtube.com/watch?v=IM630Z8lho8&#10;A common physics misconception is that you can simply add velocities together — but experiments in special relativity show that you can’t.&#13;&#10;&#13;&#10;Mi...

Open with LBRY

Full video: https://www.youtube.com/watch?v=IM630Z8lho8
A common physics misconception is that you can simply add velocities together — but experiments in special relativity show that you can’t.

Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute!

Created by Henry Reich
...
https://www.youtube.com/watch?v=0fV8kYoGDNM