Hawking radiation

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Published 2021-04-20
Do black holes radiate? How is the "temperature" of a black hole defined? What paradoxes does Hawking radiation bring to light? All these answers in 16 minutes!

0:00 - Introduction
1:39 - Relativity of the vacuum
7:22 - Hawking radiation
11:58 - Conclusion

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Alessandro Roussel,
For more info: www.alessandroroussel.com/en

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To learn more :
en.wikipedia.org/wiki/Hawking_radiation

All Comments (21)
  • @ScienceClicEN
    A precision about what happens at 7:05 : the particles observed far away are the same as those created near the horizon. Far away, no particles are created since both observers are in free fall. But still they receive the particles created near the horizons that escape the black hole's pull
  • @hackerulroman
    I like how he has pauses sometimes so we can think a bit about what we just heard
  • @Dreju5566
    This channel is so freaking underrated
  • @ajr993
    I gotta say your voice is lovely, and the background music is so fitting. It's an absolute joy to listen to you explain physics concepts in a simple, elegant way that doesn't condescend.
  • @denzali
    Can we please take moment to applaud the visual side of these videos 👏🏻 they are so smooth and poetic, they flow along in a way that is so hypnotic it embeds the ideas discussed so well.
  • @ALGARIC
    Never ever change the way you make your videos! You explain everything perfectly, now I finally understand things that I didn’t understand before. Thank you!
  • @SK-mj8pt
    This channel's potential is through the roof. Awesome coverage!
  • @Nebuch
    That was a great explanation of a concept which is really tough for me.
  • @victorhakim1250
    The BEST video on Hawking radiation I've ever seen. Very illuminating. Thank you
  • @oLuii
    This channel makes me realize how small my problems actually are. It's comforting.
  • @soranuareane
    I come into these videos with the presumption that I already know and understand the concepts being explained, but every single time I walk away with new insights and understanding. Your videos are so thorough I'm consistently amazed. The pacing is perfect. The explanations are simple. You need 10x more subscribers.
  • @Gione908
    No one ever explained this concept in such an incredibly accurate way, thank you from the bottom of my heart Alessandro, this video is amazing!
  • @informing_
    Okay, this channel must be trending worldwide, I literally get busy with these subjects and just know really got what Hawking radiation really is. Please share these videos everywhere, this here is human progress, it can inspire people.
  • @SaberTooth2251
    Seems this topic is popular lately. Thrilled to see you cover it!
  • @nihil_._sum
    This channel deserves a kind of novel prime in education and visual representation of science. Also who can dislike this?
  • @anujtiwari6949
    Believe me it's the most underrated channel on youtube.... Just want say one word "WOW" .. never saw explaining that much deep concepts with such simplicity...
  • @TrabberShir
    The explanation up to 8:10 is probably the best explanation I have seen on youtube. 8:10 to 9:30 is a step back I think, but still better than the typical rehash of Hawking's imperfect analogy. Very well done.
  • @beln33
    If you did some serious reading about QFT, BH, gravity, information & thermodynamics prior to this video, you’ll find this video to be so revealing and helping to understand HRad and BH. This video, and all others of this YT account are of another league: simply the best. I would even say, if you watch it again every so often, it can also keep you on track and guide you in your endeavour of understanding better and more profoundly the subjects mentioned here.
  • @SolarasNaracott
    I've heard this explained to me before, but not as like this. I now have a much better understanding of Hawking Radiation because of how clear your videos are. Keep up the good work!