Search found 66 matches
- Sun Mar 21, 2010 5:35 pm
- Forum: The Accelerator
- Topic: Intensities
- Replies: 6
- Views: 9757
Re: Intensities
Ok the numbers given on page1 are definitly wrong! They are very jumpy and even go up rather often. I don't know a reason (yet).
- Sun Mar 21, 2010 3:37 pm
- Forum: The Accelerator
- Topic: Intensities
- Replies: 6
- Views: 9757
Re: Intensities
Which curves do you refere to??Vecctor wrote:...seem to be the ones displayed in the curves ...
- Sat Mar 20, 2010 9:45 pm
- Forum: Science
- Topic: Infinite series in quantum phyics
- Replies: 29
- Views: 37738
Re: Infinite series in quantum phyics
Geometry is realy just vector analysis that avoids the word vector so to simplify. All definitons from vector notation also apply to geometry. it doesn't matter if you take the hypotenuse as BC (length 5) or CB (length -5) When you take a ruler to measure the length of BC or CB it will in both cases...
- Sat Mar 20, 2010 8:54 pm
- Forum: Science
- Topic: Infinite series in quantum phyics
- Replies: 29
- Views: 37738
Re: Infinite series in quantum phyics
Length is defined as the norm of a vector. This vector can of cause have negative compontens but the length is always non-negative!PeteKropotkin wrote:If the triangle is ABC, with the right-angle at A, it doesn't matter if you take the hypotenuse as BC (length 5) or CB (length -5).
- Fri Mar 19, 2010 4:21 pm
- Forum: The Accelerator
- Topic: Real time displays as experiments run and beams are active
- Replies: 10
- Views: 17214
- Thu Mar 18, 2010 5:13 pm
- Forum: End Of The World
- Topic: Creating "Sparks"
- Replies: 164
- Views: 305405
Re: Creating "Sparks"
This article is out of date. New measurements have shown that it is only shining from its polar caps and the size had to be corrected making it no longer a candidate for a quark star. See reference: http://arxiv.org/abs/astro-ph/0208069
- Thu Mar 18, 2010 3:57 pm
- Forum: End Of The World
- Topic: Creating "Sparks"
- Replies: 164
- Views: 305405
Re: Creating "Sparks"
.. and these high energy collisions happen at about 25 km Up in the air, on top of the atmosphere, where it is pretty cold, not a lot of atmospheric pressure, the density of the air (matter) is very low, there is almost no gravity and its on the borderline of the open space. These aren't the same c...
- Thu Mar 18, 2010 12:15 pm
- Forum: Portal link and forum suggestions
- Topic: Not welcome on IRC?
- Replies: 18
- Views: 25070
Re: Not welcome on IRC?
We (9 people) are in the channel right now. You just got to have mibbit show the people on idle. Cu oxodoes
- Thu Mar 18, 2010 11:35 am
- Forum: End Of The World
- Topic: Creating "Sparks"
- Replies: 164
- Views: 305405
Re: Creating "Sparks"
No, I still don't care about the sun. I am, however, worried about a quantum tunneling metastability event. Go ahead, do collisions in energies higher than cosmic rays. You won't be able to increase your science knowledge as a result, because you'll be eaten by a vacuum bubble in a blink of an eye....
- Sat Mar 13, 2010 6:11 pm
- Forum: The Accelerator
- Topic: 1.2e13 Intensity Spike!
- Replies: 2
- Views: 6443
Re: 1.2e13 Intensity Spike!
The intensity chart was messed up yesterday. So I wouldn't trust that reading. If there is something unexpected it's always good to check the logs: https://ab-dep-op-elogbook.web.cern.ch/ ... ogbook.php
- Sat Mar 13, 2010 12:30 pm
- Forum: Science
- Topic: Infinite series in quantum phyics
- Replies: 29
- Views: 37738
Re: Infinite series in quantum phyics
I would like to add a very simple example to Kasuha's argumentation that the validity of mathematical theorems is independent of physics. c²=25 has two solutions: c=5 and c=-5. Now lets take a right triangle with legs of the length 3 and 4. Pythagoras tells us that the length of the hypotenuse c is ...
- Fri Mar 12, 2010 12:13 pm
- Forum: End Of The World
- Topic: The Death Star
- Replies: 13
- Views: 19499
Re: The Death Star
this once again reminds me off: http://www.phdcomics.com/comics/archive ... micid=1174
- Wed Mar 10, 2010 7:29 pm
- Forum: The Accelerator
- Topic: Vacuum
- Replies: 11
- Views: 15651
Re: Vacuum
You might want to have a look at http://accelconf.web.cern.ch/AccelConf/ ... PLS123.PDF and http://proj-lbds.web.cern.ch/proj-lbds/ ... ystems.pdf.Kasuha wrote:There are no valves and no vacuum windows involved.
- Wed Mar 10, 2010 5:41 pm
- Forum: The Accelerator
- Topic: Vacuum
- Replies: 11
- Views: 15651
Re: Vacuum
I guess when the valves are opened for a beam dump, it causes a significant pressure wave in the dump line. There are no valves opened for a dump!! (Otherwise they would need many days of pumping before injecting a new beam.) A vacuum windows is simply a piece of very thin metal-foil that seals the...
- Wed Mar 10, 2010 4:39 pm
- Forum: Off topic
- Topic: Tip: Automatic reload of URLs in Opera
- Replies: 4
- Views: 16889
Re: Tip: Automatic reload of URLs in Opera
firefox has an addon to do this (as with pretty much every thing else too): https://addons.mozilla.org/de/firefox/addon/115