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Jan16-12 Greg Bernhardt
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
Cthugha
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Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Apr22-11 05:27 AM
ZapperZ
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The other day a friend of mine ask me if all the information sent through space by EM waves (TV, radio, cellphone,...
Sep13-05 02:16 PM
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please tell me if the uncertainity arising in the quantum mechanics is related to the uncertainity due to the dynamic...
Sep13-05 01:03 PM
Juan R.
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The Work of Researching Super-molecule Chemical Physics
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I want to know the formula to find the temperature of outer space by measuring the wavelenghts of the electromagnetic...
Sep12-05 07:04 PM
Claude Bile
2 1,960
hi I need an experiment to measure magnetic filed in a solenoid. could any one help me?
Sep12-05 02:40 PM
Gokul43201
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*Edit Note: I apologize if this belongs in the homework or classic physics sections; I have been in a real hurry to...
Sep12-05 11:55 AM
Montteman
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Hi guys, I have been interested in finding the history of great scientists; their biographies. But I am not able to...
Sep12-05 11:02 AM
pamichel
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I am in search of physical properties of inert gas crystals ( such as colour,lustre,etc). I could get only the melting...
Sep12-05 08:49 AM
Astronuc
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Is there a substance that can be placed between two magnets that will stop one from affecting the other? If a sheet...
Sep11-05 08:34 PM
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I am trying to figure out how those double concave mirror set ups work to create an image above the mirror. Does...
Sep11-05 07:04 PM
Doc Al
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need help with this question Test the following combinations and explain why each does not have the properties...
Sep11-05 06:32 PM
mahfaith
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Hello, I am interested in finding out a clear explanation for how rainbows form such as would be appropriate for...
Sep11-05 04:19 PM
moose
2 1,755
HI everybody, I am looking for a mathematical expression to evaluate when the wind speed is strong enough to carry a...
Sep11-05 12:54 PM
Nellop
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What is the difference between velocity and recessive velocity. I read that with velocity, an object may not past the...
Sep10-05 06:22 AM
Sojourner01
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If an object were travelling at say, 99% the speed of light in a vacuum, and then were to travel into the atmosphere...
Sep10-05 03:09 AM
hungrytrash
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If an object was travelling say, 99% the speed of light in a vacuum, and then were to travel into the atmosphere of a...
Sep10-05 02:58 AM
hungrytrash
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Hello, I have a question regarding the Maxwell-Boltzmann distribution. As you know, the distribution basically...
Sep9-05 04:45 PM
Gokul43201
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Has anyone taken a an undergraduate course in plasma physics? If so, what text did you use and how did you like it? I...
Sep9-05 11:52 AM
Geoff St. Germaine
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I was wondering if anyone could tell me the forces acting on debris from an explosion, and the types of energy...
Sep9-05 11:02 AM
lalbatros
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Here is a Gravity Map taken by our Satellite GRACE. As you will see, Gravity is different all over the world. ...
Sep9-05 10:17 AM
OnTheCuttingEdge2005
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This is not a homework question. Just some basic logic. Suppose that we have two identical pieces of solid metal. One...
Sep9-05 08:42 AM
Andre
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Whenever i research the weak nuclear force i always get how it is the cause of beta decay and other ways it effects an...
Sep9-05 08:19 AM
Honorable_Death
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I wanted to use air conditionar for cooling my machine. For that purpose i design one air blower and installed it in...
Sep9-05 02:57 AM
OnTheCuttingEdge2005
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why is energy transfer a maximum when colliding particles have the same mass?
Sep8-05 10:39 AM
asdf1
3 1,072
http://www.nature.com/nphys/supplements/einstein/index.html
Sep8-05 10:24 AM
Sho'Nuff
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In the Photoelectric effect what is the threshold frequency dependent on? This isn't homework I was just pondering....
Sep8-05 07:02 AM
Spastik_Relativity
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String theory opened the barrier of 4 dimensions up to 11. This is a step outside common sense that apparently...
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Crosson
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I know what this law says, but I don´t know where does it comes from. Could somone please help me with the derivation...
Sep6-05 10:42 PM
mukundpa
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http://www.eurekalert.org/pub_releases/2005-08/epfd-ltt081905.php
Sep6-05 09:10 PM
Nam_Sapper
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Just like GR described gravity as an effect of spacetime, then is it possible that we can unify the other 3 forces by...
Sep6-05 05:35 PM
samalkhaiat
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Concord Consortium, an educational non-profit, offers a free simulation program called Molecular Workbench, which can...
Sep6-05 09:45 AM
ranger
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For each book I read, I have decided to try to explain some of the content more concisely with the sole purpose of...
Sep6-05 09:40 AM
cscott
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I mean actual tidal waves... How are they formed...? Anyone know....?
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HallsofIvy
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Maybe this is more of a chemisty question but I have found that stainless steel is not magnetic. I can only reason...
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Where can I find information on shrinking and expanding space as a form of travel?
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giorbran
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Why is it that electrons, and protons attract? What is this invisible electric force field anyways? Why is it there?...
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Jonny_trigonometry
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I was thinking today about why air feels coller when you stick your head out of a moving vehicle and why it feels...
Sep5-05 03:24 PM
FredGarvin
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This question was asked by a Std 9 student, and has me foxed. Since the earth is so much more massive than the moon,...
Sep5-05 06:45 AM
Doc Al
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I was doing some reading on lens aberrations and saw some referance to 1st and 3rd order aberrations. What are they...
Sep4-05 07:51 PM
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I welcome individual, group and organization to solve one or several items of The Unification of Physics, Unification...
Sep4-05 07:38 PM
friendlwl
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