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The Real Meaning of E=mc²

PBS Space Time · Youtube · 1 HN points · 2 HN comments
HN Theater has aggregated all Hacker News stories and comments that mention PBS Space Time's video "The Real Meaning of E=mc²".
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You’ve probably known OF E=mc² since you were born, and were also probably told that it meant that it proved Mass equaled Energy, or something along those lines. BUT WAIT. Was E=mc² explained to you properly? Mass equalling energy is mostly true, but E=mc² actually describes a much more interesting, and frankly mind-blowing aspect of reality that likely wasn’t covered in your high school physics class. Join Gabe on this week’s episode of PBS Space Time he discusses THE TRUE MEANING OF E=mc²

Extra Credit:

Einstein's 1905 E=mc^2 paper (English translation):
http://einsteinpapers.press.princeton.edu/vol2-trans/188

http://www.astro.puc.cl/~rparra/tools/PAPERS/e_mc2.pdf (more modern notation)

Veritasium: Your Mass is NOT From the Higgs Boson
https://www.youtube.com/watch?v=Ztc6QPNUqls
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Comments:

Ryan Brown
https://www.youtube.com/watch?v=w5TSfjvzMGs&lc=z12sirbrxxfbjh4da22hzjggxpr1f1emr

David Shi
https://www.youtube.com/watch?v=w5TSfjvzMGs&lc=z134itjxxtvbtzaiv04cjjlgyojxgjqhleg

UndamagedLlama2
https://www.youtube.com/watch?v=w5TSfjvzMGs&lc=z122z3rp0zaghfxxx04cfzfyomftexpqcdk

Jay Perrin
https://www.youtube.com/watch?v=w5TSfjvzMGs&lc=z12mxzzawve2dxfgj04ccljhxyj2exto4qw0k

jancultis
https://www.youtube.com/watch?v=w5TSfjvzMGs&lc=z12zjjvjswjbfnttd22mxhro3pjry5unj


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Hacker News Stories and Comments

All the comments and stories posted to Hacker News that reference this video.
Oct 06, 2021 · 1 points, 0 comments · submitted by ljoshua
https://youtu.be/Xo232kyTsO0 check out this PBS spacetime explanation for what it means for energy to have mass. It's impossible to convert energy into mass, adding up all the mass inside a composite does not equal the true mass, because energy itself has mass. When we split an atom, we are releasing some of that extra (energy) that was stored as potential energy holding the parts together, not converting energy into matter, just moving states of energy to other types.
Not exactly an answer to your question, but this will be useful for the interpretation: https://www.youtube.com/watch?v=Xo232kyTsO0
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