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Message 733091 - Posted: 1 Apr 2008, 4:38:19 UTC


"The builders of the world's biggest particle collider are being sued in federal court over fears that the experiment might create globe-gobbling black holes or never-before-seen strains of matter that would destroy the planet."


Full story here (msnbc)

Interestingly, the LHC/BOINC Project has been "down for maintenance" for the past several hours.

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Message 733096 - Posted: 1 Apr 2008, 4:52:08 UTC - in response to Message 733091.

"The builders of the world's biggest particle collider are being sued in federal court over fears that the experiment might create globe-gobbling black holes or never-before-seen strains of matter that would destroy the planet."

Full story here (msnbc)

And they just now thought of that?
Interestingly, the LHC/BOINC Project has been "down for maintenance" for the past several hours.

Be ready for the credit-gobbling black hole that might come of this.
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Message 733290 - Posted: 1 Apr 2008, 22:18:31 UTC

Here's a couple more related links.....

lhcconcerns.com (contains documents relating to the lawsuit)

CERN's Site on Safety

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Message 733294 - Posted: 1 Apr 2008, 22:20:36 UTC

Do people realize what it would take to make a black hole? People need to get real! You could never create a black hole with todays technology.
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Message 733386 - Posted: 1 Apr 2008, 23:58:11 UTC

'The stem of the arguement' and thats not neccessary.

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Message 735676 - Posted: 7 Apr 2008, 5:34:15 UTC

Direct off this web site.

Microscopic black holes will not eat you...

Massive black holes are created in the Universe by the collapse of massive stars, which contain enormous amounts of gravitational energy that pulls in surrounding matter. The gravitational pull of a black hole is related to the amount of matter or energy it contains – the less there is, the weaker the pull. Some physicists suggest that microscopic black holes could be produced in the collisions at the LHC. However, these would only be created with the energies of the colliding particles (equivalent to the energies of mosquitoes), so no microscopic black holes produced inside the LHC could generate a strong enough gravitational force to pull in surrounding matter.

If the LHC can produce microscopic black holes, cosmic rays of much higher energies would already have produced many more. Since the Earth is still here, there is no reason to believe that collisions inside the LHC are harmful.

Black holes lose matter through the emission of energy via a process discovered by Stephen Hawking. Any black hole that cannot attract matter, such as those that might be produced at the LHC, will shrink, evaporate and disappear. The smaller the black hole, the faster it vanishes. If microscopic black holes were to be found at the LHC, they would exist only for a fleeting moment. They would be so short-lived that the only way they could be detected would be by detecting the products of their decay.

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Message 736324 - Posted: 9 Apr 2008, 2:52:52 UTC - in response to Message 735676.



If the LHC can produce microscopic black holes, cosmic rays of much higher energies would already have produced many more. Since the Earth is still here, there is no reason to believe that collisions inside the LHC are harmful.

Very true


Black holes lose matter through the emission of energy via a process discovered by Stephen Hawking. Any black hole that cannot attract matter, such as those that might be produced at the LHC, will shrink, evaporate and disappear. The smaller the black hole, the faster it vanishes. If microscopic black holes were to be found at the LHC, they would exist only for a fleeting moment. They would be so short-lived that the only way they could be detected would be by detecting the products of their decay.


While this is true, it still takes a very large amount of time for a black hole to evaporate. If you follow the equations for Hawking radiation:


You will find that it takes a black hole with a mass of one solar mass unit 10^67 years to fully "evaporate". Even with the lengths of times required for the black hole to evaporate I do not think that the micro black holes could ever pose a problem to us. Like you said earlier, with the energies we are dealing with we would have already encountered problems from naturally occurring black holes.

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Message 736791 - Posted: 10 Apr 2008, 10:10:25 UTC - in response to Message 736324.
Last modified: 10 Apr 2008, 10:11:29 UTC



If the LHC can produce microscopic black holes, cosmic rays of much higher energies would already have produced many more. Since the Earth is still here, there is no reason to believe that collisions inside the LHC are harmful.

Very true


Black holes lose matter through the emission of energy via a process discovered by Stephen Hawking. Any black hole that cannot attract matter, such as those that might be produced at the LHC, will shrink, evaporate and disappear. The smaller the black hole, the faster it vanishes. If microscopic black holes were to be found at the LHC, they would exist only for a fleeting moment. They would be so short-lived that the only way they could be detected would be by detecting the products of their decay.


While this is true, it still takes a very large amount of time for a black hole to evaporate. If you follow the equations for Hawking radiation:


You will find that it takes a black hole with a mass of one solar mass unit 10^67 years to fully "evaporate". Even with the lengths of times required for the black hole to evaporate I do not think that the micro black holes could ever pose a problem to us. Like you said earlier, with the energies we are dealing with we would have already encountered problems from naturally occurring black holes.

Yes, but we're not talking about solar mass black holes at the LHC are we! They might be creating black holes with the mass of a proton or a two and that's about it....in the overall scheme of things they wouldn't be large enough to suck in a nearby electron! Do the math...they will evaporate before you can blink!

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Message 736893 - Posted: 10 Apr 2008, 14:54:36 UTC

Well - the math appears right, (Lord knows, it's been a while since I've done equations like that) but the website is still down. I did receive several WU's earlier this morning though ... guess there's still life.
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Message 740266 - Posted: 17 Apr 2008, 4:22:10 UTC

Perhaps there having difficulty with funding.

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Message 743785 - Posted: 25 Apr 2008, 0:42:46 UTC

Scientists bet doomsday is a long shot
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Message 745158 - Posted: 27 Apr 2008, 20:53:06 UTC - in response to Message 733096.

"The builders of the world's biggest particle collider are being sued in federal court over fears that the experiment might create globe-gobbling black holes or never-before-seen strains of matter that would destroy the planet."

Full story here (msnbc)

And they just now thought of that?
Interestingly, the LHC/BOINC Project has been "down for maintenance" for the past several hours.

Be ready for the credit-gobbling black hole that might come of this.



Thanks so much for reminding me of the project, I just attached!


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Message 753376 - Posted: 14 May 2008, 22:24:46 UTC

As far as I understand it..if the theory is correct that black holes will even be created in the first place, then you have to accept the theory that they will evaporate too quickly to cause any harm because they are both the same theory.

I hope that is clearer than it appears to be.
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Message 753386 - Posted: 14 May 2008, 22:44:27 UTC - in response to Message 736791.



If the LHC can produce microscopic black holes, cosmic rays of much higher energies would already have produced many more. Since the Earth is still here, there is no reason to believe that collisions inside the LHC are harmful.

Very true


Black holes lose matter through the emission of energy via a process discovered by Stephen Hawking. Any black hole that cannot attract matter, such as those that might be produced at the LHC, will shrink, evaporate and disappear. The smaller the black hole, the faster it vanishes. If microscopic black holes were to be found at the LHC, they would exist only for a fleeting moment. They would be so short-lived that the only way they could be detected would be by detecting the products of their decay.


While this is true, it still takes a very large amount of time for a black hole to evaporate. If you follow the equations for Hawking radiation:


You will find that it takes a black hole with a mass of one solar mass unit 10^67 years to fully "evaporate". Even with the lengths of times required for the black hole to evaporate I do not think that the micro black holes could ever pose a problem to us. Like you said earlier, with the energies we are dealing with we would have already encountered problems from naturally occurring black holes.

Yes, but we're not talking about solar mass black holes at the LHC are we! They might be creating black holes with the mass of a proton or a two and that's about it....in the overall scheme of things they wouldn't be large enough to suck in a nearby electron! Do the math...they will evaporate before you can blink!

Very true. You will have to forgive me, my mind works slowly at times! Sorry about the long pause, It has been awhile since i've looked at this thread.
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