Is the world going to end this Saturday?

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Bill Brasky

Diamond Member
May 18, 2006
4,324
1
0
Wow. The world was supposed to end today, and I didn't even get the memo. Guess I'll go back to TF2.
 

ObiDon

Diamond Member
May 8, 2000
3,435
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Originally posted by: Deeko
When scanning over topic titles, I thought the summary said "Large Hardon Collision".

I was concerned.
damnit! i'm a few days late to the party!
 

OdiN

Banned
Mar 1, 2000
16,430
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One question I'm wondering - is they are comparing the things that happen when a cosmic ray hits earth to what they are doing - with an artificial, man made machine. I read in their safety report a bunch of times where they were saying "cosmic rays don't cause this, so we're fine" - how can we compare the two different things? Doesn't make much sense.
 

Jeff7

Lifer
Jan 4, 2001
41,596
19
81
Originally posted by: OdiN
One question I'm wondering - is they are comparing the things that happen when a cosmic ray hits earth to what they are doing - with an artificial, man made machine. I read in their safety report a bunch of times where they were saying "cosmic rays don't cause this, so we're fine" - how can we compare the two different things? Doesn't make much sense.
This thing can put particles up to 7 TeV, and if you put two of them in a head-on collision, you get a collision energy of 14 TeV.
Cosmic radiation energies are much higher than that. IF anything was going to create a micro-black hole, cosmic radiation would have been just that for billions of years. We're playing with toys compared to what nature already wields every day.

 

HaiBiss

Member
Jul 26, 2008
174
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Which time zone are we talking about here, there are a few places it is tomorrow and they are still here
 

alkemyst

No Lifer
Feb 13, 2001
83,769
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Originally posted by: OdiN
One question I'm wondering - is they are comparing the things that happen when a cosmic ray hits earth to what they are doing - with an artificial, man made machine. I read in their safety report a bunch of times where they were saying "cosmic rays don't cause this, so we're fine" - how can we compare the two different things? Doesn't make much sense.

if you read a lot of it, they really don't know what will happen.

Supposedly the first run will be just non-colliding test. It's when they collide stuff that will be the real test.

Probably find out schrodenger's cat somehow ended up in that 17miles of pipe and the word 'computer bug' will change to 'fucking cat'
 

OdiN

Banned
Mar 1, 2000
16,430
3
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Originally posted by: Jeff7
Originally posted by: OdiN
One question I'm wondering - is they are comparing the things that happen when a cosmic ray hits earth to what they are doing - with an artificial, man made machine. I read in their safety report a bunch of times where they were saying "cosmic rays don't cause this, so we're fine" - how can we compare the two different things? Doesn't make much sense.
This thing can put particles up to 7 TeV, and if you put two of them in a head-on collision, you get a collision energy of 14 TeV.
Cosmic radiation energies are much higher than that. IF anything was going to create a micro-black hole, cosmic radiation would have been just that for billions of years. We're playing with toys compared to what nature already wields every day.

I understand that - but the thought is that since cosmic rays have that higher energy and speed - any particles created just zip right through the earth at such high speeds that they are not dangerous at all. (This is just something I have read.)

We will not have particles moving at such high speeds, and the impact being of equal speeds won't the created particles or phenomena end up at a relatively low speed and hang around where they are created?

I'm not sure how the comparison is quite the same - I don't understand how they can make it. I'm sure they know a hell of a lot more about it than I do, but still it seems that the conditions they are creating are far different than the conditions that cosmic rays create - thus making their comparison to them not quite accurate?
 

Jeff7

Lifer
Jan 4, 2001
41,596
19
81
Neutrinos can pass through ordinary matter with little interaction. But other charged particles, such as protons or neutrons, will interact readily.

The universe has been spewing charged particles at Earth for a long time, in a whole spectrum of energies, encompassing those of the LHC. If anything could have caused a magic black hole to wipe out a planet, Earth, Venus, Jupiter - or any of the planets - would have been destroyed already, long before the existence of our species.

 

Atheus

Diamond Member
Jun 7, 2005
7,313
2
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Originally posted by: conehead433
What would be cool is if it created a black hole that consumed the entire universe. Afterward it explodes in what would be called a Big Bang and a new universe is created. So it would work out that Man creates the universe.

This already happened.
 

OdiN

Banned
Mar 1, 2000
16,430
3
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Originally posted by: Jeff7
Neutrinos can pass through ordinary matter with little interaction. But other charged particles, such as protons or neutrons, will interact readily.

The universe has been spewing charged particles at Earth for a long time, in a whole spectrum of energies, encompassing those of the LHC. If anything could have caused a magic black hole to wipe out a planet, Earth, Venus, Jupiter - or any of the planets - would have been destroyed already, long before the existence of our species.

But these are hitting relatively stationary particles, vs. having the collisions be of equal velocities right? If I get what they are doing with an accelerator they aren't smashing a moving particle into a stationary one right?

So in that, it's inherently different than those charged particles hitting earth - what am I not getting?
 

Jeff7

Lifer
Jan 4, 2001
41,596
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Stationary vs moving doesn't matter. Motion is relative anyway.

7 TeV into 7 TeV in the opposite direction should cause a collision with an energy of 14 TeV - same as a stationary particle being hit by another particle with an energy of 14 TeV.

 

JohnCU

Banned
Dec 9, 2000
16,528
4
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Originally posted by: Ns1
has the world ended yet?

god damnit. i was hoping to be torn to shreds by a black hole now. fail.

the theme song for the LHC should be aenema
 

Svnla

Lifer
Nov 10, 2003
17,986
1,388
126
Originally posted by: flunky nassau
Any updates on this?

Did a quick search but didn't find anything.

I am curious too. Did they turn that machine on and anything happend?
 

JulesMaximus

No Lifer
Jul 3, 2003
74,534
911
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So, it's August 13th and the Large Hardon Collider hasn't destroyed the Earth yet.

Any updates on the Large Hardon Collider?