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Aug12-14 11:12 PM Simon Bridge 
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Jan16-12 Greg Bernhardt
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Apr22-11 05:27 AM
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The aim of this thread is to highlight recent (as in within the past 3 months) noteworthy physics papers that have...
May6-14 04:32 AM
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Petar Bosnic Petrus Langova 35 , 10430 Samobor, Croatia HOW THE SPEED OF LIGHT CAN BE EXCEEDED ? ...
May29-03 08:43 AM
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the title says it all, i want to build a betatron, like the one Dr. Kaku talks about building in the book...
May28-03 11:58 PM
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By mass I mean the inertia of an object at rest. The idea emerged in a recent PF that one could somehow separate...
May31-03 12:23 PM
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Jun1-03 07:05 PM
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When is the idea of time travel was born??? and what is the history of time travel??
Jun1-03 08:51 PM
0 1,656
Hello all, I have a few problems that I am struggling with at the moment. I think I am missing a few notes, so it may...
Jun10-03 07:49 AM
Claude Bile
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i need help with the heat energy of mixtures formula cm^t = cm^t could anyone familiar with this please add me...
Jun9-03 08:08 AM
0 1,070
Its an area that's interested me for some time now. And I've just been given a physics project to do for the last few...
Jun20-03 05:31 AM
0 2,505
I am having some serious problems in solving for the propagation constant of a inhomogeneously filled rectangular...
Jun29-03 01:17 PM
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Jun28-03 10:25 PM
0 1,681
In Chapter 6 (A new state of matter: foggoid state) of the Antigravitation Engine Site, the quantum phenomenon on...
Jul1-03 03:55 AM
Zhang Xu
0 1,218
In another thread there have been some interest in the Casimir Effect-Vacuum Force-Surface Tension. In the old...
Jul8-03 04:05 AM
0 2,911
For those who replied to my questions on the Atomic radii of Isotopes and those who claim the vacuum force is...
Jul11-03 10:44 AM
0 1,853
In fact would be the Dirac and Klein-Gordon equations be valid?..remember they are imposed to quantizy a particle...
Jul14-03 06:25 AM
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"The U.S. Air Force is moving forward with plans to develop new space vehicles that can launch quickly and frequently,...
Jul14-03 06:26 PM
Ivan Seeking
0 1,137
Hi good people, I have some problem with determining impact force acting on rubber-like elastic material (conveyor...
Jul18-03 09:49 AM
0 1,794
Given a set of data - heights to which the ball rebounds, how can i analyse the data, and show the relationship. Can i...
Jul19-03 05:01 AM
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I am curious as to what the distribution of qualifications and geographical locations are of the individuals who...
Jul19-03 09:56 AM
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No, I don't want to ask about the programming language:smile: I read that few months ago in some university in...
Jul20-03 09:54 AM
Doctor Luz
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What are some things you would look for or questions you would ask when visiting a prospective graduate school for...
Jul25-03 06:44 PM
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I have a few specific questions that perhaps some can help me answer. I will post them in this thread, and am willing...
Jul21-03 11:54 AM
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A practical introduction to a popular computer simulation technique, used in such movies as "Shrek" and "Monsters...
Jul22-03 11:24 PM
Greg Bernhardt
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I had gotten into this discussion in several places and didn't want to do the math out. But I've decided that it's...
Jul26-03 11:16 AM
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I've been looking into the possibility that "Solar Activity", flares, coronal mass ejections, magnetic fields,...
Jul28-03 01:24 PM
0 1,428
I want to model an extremely simplified explosion in a little program I have. All I want to do is accurately model the...
Jul30-03 10:49 AM
0 2,284
Joao Magueijo asserts in his book, "Faster Than the Speed of Light: The Story of a Scientific Speculation," _Perseus...
Jul31-03 08:38 PM
Eugene Shubert
0 2,803 "Quantum Gravity" Carlo Rovelli, born Verona(?) 1956, one of the...
Aug6-03 01:56 PM
0 2,630
Hi all, I was hoping someone could help get me started with this problem? The temperature at a point in a ball...
Aug8-03 08:10 PM
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I found two different resources which give two different but similar formulae to calculate surface tension for...
Aug13-03 11:59 AM
0 7,739
For any bodies i, k, n All constants positive, but const'(in) may be...
Aug16-03 10:10 AM
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These are the topic areas covered in this article: Nature of Charge, Charging Process, Electrical Force, Electrical...
Aug16-03 05:40 PM
Greg Bernhardt
0 2,683
How are Hadamard Transforms typically realized in a BEC system? eNtRopY
Aug16-03 10:04 PM
0 1,336
Has anyone seen St. Elmo's fire, also known as corona discharge in everyday life? I've seen in it a lab...
Aug17-03 10:41 PM
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it's mine... have fun while I heck the traditional physics... if you are...
Aug18-03 03:50 AM
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Aug18-03 02:08 PM
Ivan Seeking
0 1,659
So, me and my slow brain came upon this article explaining the basic workings of the Casimir Effect. My Question...
Aug21-03 03:39 PM
0 1,332
anyone know of a relatively cheap standard of kinetic friction in any synthetic material is today? .02, .05, .1?...
Aug21-03 10:18 PM
0 1,454
In this post I would like to discuss the "weight-principle". This is a rule-of-thumb principle, related to the...
Aug22-03 09:50 AM
0 2,451
If we define triple-distance as area of triangle given by any three objects, then we can define also triple-speed as...
Aug25-03 06:39 AM
0 1,602
Greetings. Can anyone explain to me what is the "Permittivity of the medium" found in Coulomb's Law ? Anything would...
Aug26-03 07:17 AM
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