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sjwaste

Diamond Member
Aug 2, 2000
8,757
12
81
Originally posted by: Eeezee
Yeah, there was that one quadrupole magnet explosion... but there were so many, statistically it was almost bound to happen.
Click to expand...

An engineer, a mathematician, and a statistician go out one afternoon deerhunting. The engineer spends an hour setting himself up high, measuring windage, angles, adjusting his sights. He sees a deer, fires, and misses left. Must've missed a calculation. The mathematician cracks open a book, studies how to set up optimally based on where he is, sees the same deer, fires, and misses right. The theory must be wrong! Immediately, the statistician throws down his rifle and yells, "I got it!"

There, now you're all dumber because of me.
 
the unknown

the unknown

Senior member
Dec 22, 2007
374
4
81
Originally posted by: Shadow Conception
How fast is the internet there?
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Yeah, forget the multibillion dollar research going on there, how fast can you download pr0ns? :D
 
E

Eeezee

Diamond Member
Jul 23, 2005
9,922
0
76
Originally posted by: Shadow Conception
How fast is the internet there?
Click to expand...

Really really fast

The next time I'm in my office maybe I'll do a speed check. I recall downloading some enormous files very quickly, though

In the control room, there is only wireless internet and a LAN. The LAN is super fast, which is understandable; the computers are practically connected directly to ATLAS.

I just used speedtest.net, connected to a computer in Geneva using the wireless connection in the ATLAS control room. Right now ubuntu reports a 75% connection to the 'CERN' wireless network

Download: 15290 kb/s
Upload: 19562 kb/s
ISP: CERN dynamic addresses
Server: Geneva
Ping: 3 ms
Distance: < 50 mi


To a computer in LA:
Download: 5290 kb/s
Upload: 1366 kb/s
Ping: 159 ms
Distance: ~5900 m

Edit: Keep in mind though, all P2P applications are banned on the CERN networks, and you have to be a user to get on the network. It's way too easy to track you down. I hear they take it very seriously, basically revoking internet access for people who try to use bit torrent and the like.

Edit 2: Using a standard CERN wire connection in my office
To a computer in Geneva:
Download: 87812 kb/s
Upload: 78375 kb/s

To a computer in London:
Download: 98437 kb/s
Upload: 43418 kb/s

To a computer in LA:
Download: 6301 kb/s
Upload: 1754 kb/s

Awesome
 
E

Eeezee

Diamond Member
Jul 23, 2005
9,922
0
76
I'm running shift on the HLT (High Level Trigger) today, basically I go through a checklist to make sure that nothing is broken. Everyone took a break for lunch at noon and hasn't returned yet (it's 30 min till 2). I guess this really is Europe. I have other things to do in the meantime, I'm still adding to the design of the Event Filter, part of the HLT, it is the highest level event triggering, after it looks at an event and selects it the event heads off to storage on The Grid, which is the worldwide network of computers over which we share storage and computational power. Distributed computing at its finest

There was a camera crew here earlier, but I don't know who they were with. At the end of my shift (5PM) I'll snap some pictures, maybe. They haven't finished building the "Imperial Entrance" yet, so the outside isn't too impressive. I'll upload any pictures whenever I get around to signing up for a photobucket account
 
E

Eeezee

Diamond Member
Jul 23, 2005
9,922
0
76
I'm just not much of a camera guy is all :p

In any case, nuclear contamination would require something radioactive, and there's nothing like that yet (not until the beam turns on anyway)
 
M

Molondo

Platinum Member
Sep 6, 2005
2,529
1
0
Thanks for the pics.
Quick question. When LHC was being built, was it a specific company that supplied the workers (welders, laborers, etc) or was general contractors from around?
 
E

Eeezee

Diamond Member
Jul 23, 2005
9,922
0
76
From what I've seen and read, CERN uses general contractors for whatever CERN employees can't do.
 
D

dingnecros

Golden Member
Mar 23, 2005
1,579
0
71
Originally posted by: Eeezee
Originally posted by: herm0016
cool job. I got a chance to talk to a few guys from the tevatron at fermi this past weekend, they are excited to have the lhc come on line.
Click to expand...

It'd be impossible without them. If I remember correctly, they designed the dipole magnets that align the beam. Fermilab is awesome
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meh fermilab!! bunch of overfunded idiots... dont forget which lab MADE THE ATLAS ..... and still runs all its facilities at a high uptime and works at lower budgets than fermilab, los alamos and sandia
 
M

ManBearPig

Diamond Member
Sep 5, 2000
9,173
6
81
uh oh nerd fight! :p

Thanks for the pictures and descriptions and for answering questions...cool post.
 
videogames101

videogames101

Diamond Member
Aug 24, 2005
6,783
27
91
Originally posted by: PlasmaBomb
Remember -

destroying the earth = bad
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if we're going out, we might as well go out in the most badass way possible,

man-made black hole ftw!
 
W

wwswimming

Banned
Jan 21, 2006
3,695
1
0
how much coffee do the physicists at CERN drink ?

i worked a summer at SLAC. a lot of the physicists there drank 25
cups a day. my next summer job was at Spectra Physics. i was
a thoroughly established coffee drinker by the time i got there.

so, tell us about the Women of CERN. got a calendar ?
 
E

Eeezee

Diamond Member
Jul 23, 2005
9,922
0
76
Originally posted by: wwswimming
how much coffee do the physicists at CERN drink ?

i worked a summer at SLAC. a lot of the physicists there drank 25
cups a day. my next summer job was at Spectra Physics. i was
a thoroughly established coffee drinker by the time i got there.

so, tell us about the Women of CERN. got a calendar ?
Click to expand...

My adviser drinks two cups per day. I hear there are some real addicts around.

I drink on average 2 cups per week, but I'm an anomaly. I prefer to drink coffee only when I need a boost of energy very badly. That way I don't develop a caffeine addiction like so many people here.

Everyone here gets coffee after lunch. Each of the two restaurants on site have an attached coffee area that is bigger than the restaurant itself :p They became a lot more popular after a rule was placed that restricted beer sales in the restaurant to certain times. You used to be able to order beer any time of day, so people were taking off around 2-3 and hitting the restaurant for a few drinks. Now you can only order beer around 11-2 and from 4 or 5PM onward.

Also, the coffee machines here are fantastic! For 70 cents (CHF, which is approx the same as USD), you get a pretty big cup of really delicious coffee. They have a lot of variety at the machines, including cappuccinos, mochachinos, hot chocolate, and a few others I think. The coffee out of the machines here is better than anything I've ever had at a Starbucks or in most coffee shops.

The women at CERN are mostly very nice looking. Since they're a definite minority (maybe 30-35% if I had to guess) they tend to get additional respect. No calendars, however. The average woman at CERN has a similar appearance to the average European woman (which is slightly less than the average Californian woman, but higher than the rest of the US).
 
JeepinEd

JeepinEd

Senior member
Dec 12, 2005
869
63
91
Originally posted by: Eeezee
Originally posted by: wwswimming
You used to be able to order beer any time of day, so people were taking off around 2-3 and hitting the restaurant for a few drinks. Now you can only order beer around 11-2 and from 4 or 5PM onward.
.
Click to expand...

The last words uttered before the end of the world:
"Dude, hold my beer and watch this..."
Click to expand...
 
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