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Hawking radiation

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A clip from a BBC documentary explaining Hawking radiation around black holes.

Channel: Science & Technology
Uploaded: November 30, 1999 at 12:00 am
Author: stevebd1

Length: 06:32
Rating: 4.920398
Views: 47517

Tags: stephen  hawking  black  holes  radiation  gravity  virtual  particles  vacuum  

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Video Comments

RobertsMrtn (November 30, 1999 at 12:00 am)
This theory can not be correct because at the event horizon TIME STANDS STILL as seen from an external observer, so nothing can happen there!
Narftaxaku200 (November 30, 1999 at 12:00 am)
@Capeau then check on scholarpedia
Capeau (November 30, 1999 at 12:00 am)
@789123Y I cant help you with the answer but i wouldnt trust wikipedia with such specialised things
MrHazZona (November 30, 1999 at 12:00 am)
@789123Y From what I understand, mass is equivalent to energy according to Einstein's famous E = mc^2, so a negative mass, multiplied by a positive number (c^2) will give you a negative amount of energy. Hope that clears things up.
GShock112 (November 30, 1999 at 12:00 am)
It would sound like the BH only eats antimatter... thus eventually self annhilating itself. We're safe then, right? Earth is positive matter? I'd say this subject shouldn't be dealt so inconsistently and simplicistically as in this documentary... but then... I wouldn't understand a damn! :-)
chenalos (November 30, 1999 at 12:00 am)
I was thinking wait a minute. Doesn't the pair production violate the law of conservation of mass/energy? Then I realized that because negative mass enters into the black hole, while positive mass escapes from the black hole the amount of mass lost under the event horizon would be equal to the amount of mass which escapes above the event horizon, thus mass and energy are conserved.
BulgarianBombShelter (November 30, 1999 at 12:00 am)
btw Quantum Electrodynamics was the first art to join Relativity and Quantum theory. so poned,
BulgarianBombShelter (November 30, 1999 at 12:00 am)
@789123Y lolol tru tru bro
Trollz0Be0Trollin (November 30, 1999 at 12:00 am)
@789123Y Lets not go into learning, idiot. Firstly, this is the internet, and if you give a shit about spelling then you should go back to actual life. Second, there's no such thing as opposite charge. Charge is deteremined by an incredibly rare and heavy particle called the magnetic monopole. Magnetic monopoles cannot have an antiparticle because they interact directly with te higgsfield. Instead where the magnetic monopole would be found on ordinary matter... fuck this i dont have enough word


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