StopLHC - What is Hawking Radiation?

[xparade0de]

They try to creat black holes (drak matter) - read theire homepage - it is standing theire in german language. They switch it of Christmas / New Years Day - they say: high energy consumption of the town - but it was warm this winter - I think they do not like that the aliens that are visiting the earth Christmas / New Years Day are seeing with theire sensors what they try - I think they try to build an shield braking weapon and risc the destruction of the planet for it !

[DickHBox]

It's too late! We're all Doomed, Mr. Mannering, Doomed!

[GBart]

"Scientists are divided about whether or not this experiment is safe"

No, they're not.

If it's even possible to create miniature black holes, they'd have to be REALLY massive (for a particle accelerator, that is - like a microgram) before they could do any serious damage to anything. Assuming it's perfect blackbody radiation (according to theory), it would evaporate immediately into gamma radiation with a total energy equal to the rest mass of the black hole times c^2

[ProoMaaaas]

This what happens when general public gets intrested in scientific expirements... Hawking's radiation HAS been proved, and earth is getting a "rain" of mini black holes from Sun's radiation every day. Thinking that coliding couple protons launched at high speed can create a STABLE black hole is just plain retarded. If whole sun collapsed in on itself it wouldn't have enough energy to create a stable black hole, and the amount of antimatter gained at lhc wouldn't even light a lightbulb.

[DrErkencho]

@ProoMaaaas

Nope it has not, don't just pose, READ your journals. More over there's still the posibility of creating a Strangelet which would not be detected if created, and NOPE, cosmic rays are NOT the case here. A cosmic ray would -in the best/ worse case- go thru the earth mass at a speed close to that of light creating a miniblackwhole that will be carried over with it, and since this kind of BH would need mass to interact with it to get the reaction going it would die... So not the case.

[DrErkencho]

@DrErkencho

500 chars are too little to go into details, I'll do my best. For short, If a BH is created, the problem is the MACHINE itself, which has been designed to study this effects and the particles produced, but by the same token it provides a DIFERENT framework for those particules to -possibly- interact with the surrounding matter (the LHC -would it fail or not-) So not the same as Cosmic rays, in fact that's somewhat of a "cheap" cop-out.

[level8230]

light is the only object that can enter a black hole also. Has anyone considered this as a truth or do we think black holes are long and spiraling instead of strait inward? When everything is consumed by the nearest star its stated that there is more of an electric presence than fire or dirt. This can only lead to light being absorbed.

[pitukazo70]

dont worry people... we wont feel a thing...

[rattslayer]

so much bad sience that you could write a book trying to correct this one video

[Standard999999]

@rattslayer

Yeah about as bad as believing Hawking's theory is real.

[atruepretense]

It is simply amazing how this group that wants to stop the LHC is so dense. It's really funny because one of their leaders is a "Physicist". Apparently, if he was a good physicist, he'd realize that the black holes that could theoretically be created inside the LHC would be too small and short lived to even destroy anything. A blackhole inside the LHC would last mere microseconds.

[xxBlackpspxx]

@atruepretense thats cuz of dat hawking theory but its not 100% proven so it could still do and by the way did they finally crash 2 particles in eachother and made a little universe or something? there was so much talk but since this expensive thing was built i didnt hera anything special about it anymore so wat did they do with it now?

[DickHBox]

@xxBlackpspxx They've been colliding trillions of protons, no universes yet, or black holes, or Higgs bosons detected.

[DrErkencho]

@DickHBox

Well, close but not cigar... no one has been detected one yet, but it is so highly unlikely you could ever detect it if it happens as it is that it happens. In the end it seems like a double blinding, you cannot present evidence for your thesis but neither can they. This is no new field for experimental physics, and the -for short- the ONLY acceptable approach is to do a risks assessment, which they did. What people objects is the decision that was taken given the risks PRESENTED.

[impiccolomofo]

I call bullshit.

[junior00bacon00chee]

there's no such thing as a black hole, so there is no need to fear the LHC. it's just a giant waste of money.

[pacoarcas666]

Please read a book!!

Those black holes are NOT going to destroy the Earth. These black holes are so small that they won't abosrb mass and grown.

Please read a book.

[pacoarcas666]

Please read a book of physics!!!

Those black holes are NOT going to destroy anything. They are so smal that cannot absorb anything.

[carnyzack]

I think we're going to be OK. I did some test...mostly just dividing numbers by zero on my iPhone...and no tests yielded any sort of catastrophic result. Well...except for 7 times out of 20...and I'm sure my eyebrows will grow back...unlike Fluffy's :(

[sidewaysfcs0718]

what u people fail to realise is that stronger particles with much more energy than a micro black hole hit the earth all the time....

and we cant even create micro black holes ..it would take an accelerator 1000 light years long to create 1 ...and even if we did it would evaporate before it could ever be detected and give off hawking radiation....

its funny how the same people who said black holes are myths now say their real and dangerous ...please get a brain.

[Bugstomper2]

Particles that hit upper atmosphere R solar particles & cosmic rays. These R moving close to light speed. If an mBH were created, & it didn't evaporate as Hawking Radiation theory predicts, then [Einstien says they won't evaporate!] it wouldn't get caught by the Earth's gravity, but pass right through Earth and keep on going, because of non-symmetry & speed it was created at. In the LHC, particles R smashed together symmetrically. Any mBH created would be slow & not escape Earth's gravity.

[sidewaysfcs0718]

@Bugstomper2

no disrespect twards einstein ..but he never liked quantum mechanics

however today we know that quantum mechanics is correct...

we came a long way since einstein ..lets remember his relativity , but lets not forgert his ignorance twards QM .hawking radiation must exist otherwise u would have another information paradox ....

[cheerspiers]

Is it just me, or is anyone thinking this could be the reason for the predicted end of the world in 2012? :(

[lolo2556]

it's just you

[Phobeus87]

Uhhh black holes! get a live, fucking idiots!!!

[frozenbarbz]

I got one in my stomach

[Tweak54]

There is no miniatur black hole, they just came up with a stupid name called "quantum black hole"..

You say the radiation doesnt exist, a black hole has never even been seen, so its the same thing?

Please study before you go into depth inteo something.

[liebstandarteadolf]

A blackhole may or may not exist as may hawking radiation. The difference is that if the former does and the latter does not, we all die. Forget about their calculation of the probability of this happening being intantestimally small. The theory they use to derive the probability could be entirely wrong, for one. On the otherhand, how sad would it be if we b that 0.01%. This catastrophy either happens or not, it won't happen in fractions like its probability.

[Bugstomper2]

A small Black Hole in your washroom would make a great toilet, don't you think?

[aphroali]

u are so right :)

[Tweak54]

Really good.

[xxBlackpspxx]

why is everybody making jokes about it? this is very serious. alright lets say the chance that the LHC will make a black hole which swallow up all the mass is like 0.1%. but is this chance low enough to risk our whole planet?

[Bugstomper2]

This is serious.  They are basing their calculations on hawking radiation. But it's all theory. If longevity & evaporation of black holes is based on their mass, then any subatomic sized mBHoles created will evaporate before they reach the magnetic wall, but according to Einstein's theories mBH's don't evaporate. They just keep getting bigger as more mass is acquired. Einstein's theories have never been wrong. Let's hope his theory on meta-stable Black Holes is.

[GaseousAnomaly001]

Einstein's theories have been notoriously horrible at predicting the subatomic behavior of matter. The common misconception about black holes is that they become heavier than the mass needed to create them, which is totally false. Any subatomic black holes would still have the same gravitational effects as the matter used to create them, posing no extra threat, even if they were stable. Mother nature is bombarding us with much more lethal energies than the LHC ever could.

[liebstandarteadolf]

Agreed. We would look like idiots if we fall for the easily avoidable.

The theory they used to arrive at the probability could have been all but a mistake. Perhaps, all modern physics are.

It's like air travel is theoratically the safest means of travel, but why are people afraid of it? Because if the plane does crash, your chance of survival is very low.

I'd rather wait til we can build this thing on the moon.

[xxBlackpspxx]

Are you german? Because your name sounds german (I'm german). Building it on the moon would be very expansive, you also must think about the energy which they need to make the LHC run. They would have to build power plants on the moon. And the black hole may swallow up our whole system, not only the earth. so it doesnt really matter where they build it, the risk that it swallows up planets like pluto which are very far away from our planet is still there. but no risk no fun :-P

[liebstandarteadolf]

Is it more expensive than the lives of everyone and their future generations on Earth?

Outside the event horizon, a blackhole has as much gravity as a normal object of the same mass. So, if the moon gets sucked in, we wouldn't be affected.

No, I'm not German, but I find that the name sounds cool.

[xxBlackpspxx]

but the name has to do with hitler i think :-D

[wyterabitt]

@liebstandarteadolf I didnt think it worked like that, if it sucks in the moon it will be massively compacted into a tiny point in space, making it a very heavy point in space which will create much more gravity than the moon could have. Thats the very idea of a black hole, when a star implodes it compacts to such an extent it produces a vast amount more gravity than it ever could before and becomes a black hole.

[level8230]

@Bugstomper2 thats where your shit goes anyways. To create the perpendicular universe. he ha he ha

[MalinTantoDecesso]

oh no! I hate black-holes!!

[Bugstomper2]

They say it's happened with cosmic rays hitting the Earth for billions of years. However, if mBH was formed, it would be going so fast that it would go right through the Earth, and eventually 'evaporate' somewhere in space. If any a generated at the LHC, they may not escape Earth's gravity well, and eventually grow!

[liebstandarteadolf]

@Bugstomper2

Exactly, these scientists should use more common sense than pure maths.

[Standard999999]

@liebstandarteadolf In this case these scientists have yet to prove their "math". Common sense would mean to question their faith in unproven theory.