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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
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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
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Is it possible to predict the future state of a system without using time as a factor?
Nov22-03 12:09 PM
5 1,438
If the universe was hotter in the past, it was more chaotic and disordered with all the molecules and particles...
Oct5-11 10:56 AM
4 1,206
After going up in the mountains where i live i started getting annoyed at how washboard the roads were. Logging trucks...
Mar30-04 10:45 PM
4 2,015
was wondering what set c to its speed ?
Jul3-04 04:43 PM
7 722
I posted this first in Astronomy but it belongs in General Physics. With a little research, anyone can convince...
Sep11-12 05:18 PM
29 4,120
Hello, In classical EM, would one have said that red light carries less energy than blue light? (if both have the...
Dec4-10 03:58 PM
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I read that the determining factor of a Black Hole being created is when the mass of an object divided by its radius...
Apr18-04 06:20 AM
4 1,727
Ok guys, first of all I apologize if this question is not worded correctly, is in the wrong section, and for any other...
Oct17-12 09:50 AM
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If a beam of electrons pass through a plane where the potental energy abruptly increases but not enough to classically...
Jul3-05 11:49 PM
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I was just wondering, does anyone have any proof whether or not Eintein was autistic? ...
Jun14-04 08:04 AM
14 3,533
Please, take a look at the last paragraph of the New York Times article about a 14 year old polymath then read the...
Mar19-04 07:51 AM
37 4,302
There's not much info on engineering physics. I've read quite a lot of posts about people that loved physics but chose...
Mar10-11 09:58 AM
3 3,897
Dear Physics Forum community. Please allow me tro preface the following by stating that I am a novice to the...
Apr24-11 05:17 AM
Filip Larsen
17 1,765
I love Star trek and I was thinking, how to create a warp drive. I have read a discusion about EM waves on this...
Jan10-09 02:28 PM
Math Jeans
24 3,301
Hello. I have got one interesting question for you. Imagine that you are driving a car down the hill. What is the...
Jan19-13 09:42 PM
Sylvia Else
8 924
A friend of mine just got a new washing machine. In its manual it states "cold water rinses do not wring out the...
Aug3-05 01:33 PM
7 9,353
I assume this is the correct forum for this question... :P This is the idea: we have a hollow object (probably a...
Jul31-11 07:01 AM
1 835
Consider a hot potatoe. Will it cool faster or slower when we blow the warm air coming from our lungs or if we let it...
Mar21-05 09:34 AM
Chi Meson
1 710
Im not sure why the learning materials section is blocked for me to post in, however: I am stuck between these books:...
Aug3-10 05:23 AM
2 1,018
Im going to the Nobel-lectures in december and I wonder if anyone can recomend som good books or web-sites about...
Oct17-03 03:20 AM
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The formula for no. of images by two mirrors inclined at $ angle is -1 ...
Sep29-04 03:10 PM
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Hi, Been looking for someone to help with a project I'm running. Only a few weeks of work at this stage, paid at...
Mar26-06 04:00 AM
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Hi, Been looking for someone to help with a project I'm running. Only a few weeks of work at this stage, paid at...
Nov4-06 03:28 PM
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February 20, 2008 Hello, I am currently working through a copy of _The Physics of Time Reversal_ by Sachs....
Feb27-08 05:00 AM
Chris H. Fleming
4 1,312
Well, at the first excuse my poor english.... I would somebody to give me the time equation in the relativity. Ie,...
Apr18-03 03:10 PM
4 1,357
Hello I want to suspend, or really have the sinking effect be slow, different kinds of rocks/ gem stones in a jar....
Sep27-13 03:45 PM
M Quack
11 2,482
Hi All, I have a Master's in Physics from a US university. I am looking for an advisor in the field of Strings or...
Apr8-08 05:01 AM
0 1,137
OK, Basically, I am interested in studying quantum phenomena, specifically in a method that mimics the development of...
Aug18-07 05:00 AM
4 1,341
i want to use a 100 cm diameter piston witch will have 4000 kg of pressure on it. Questions -how thick does the...
Jun29-13 10:42 AM
3 656
im in 9th grade going into tenth and i have read very briefly of some physics and have found it to be very...
Jun4-12 04:01 AM
5 2,059
All I have read in the electricity class is that AC is any type of current which actually reverses its directions...
Nov25-13 07:09 PM
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Hey, I need to know the effect ( capillary rise) due to different materials on capillary action. Also, what is...
Dec22-12 11:57 AM
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Dear All I need some information from you guys. I have readings from acceleration sensors i.e. Acceleration along...
Mar1-11 05:03 AM
0 2,972
I am ona project of making a robocar and I want it to turn. After my first attempt I realized that it should be a...
May25-08 08:23 AM
4 1,474
Hello all of you very bright physicists, The local physics dept. is not answering us thus far and long story short...
Nov19-12 10:41 AM
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Hi guys! I was wondering if someone could me help to get a free electronic copy of R. Wangsness book "Electromagnetic...
Jul6-14 05:45 PM
Vanadium 50
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How would you calculate the height needed to do a flip off the wall as described in...
May2-07 06:54 PM
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Hey guys and gals - I was constructing a circuit yesterday and a question developed in my mind. Power out of an outlet...
Nov17-13 06:02 PM
Sir Physics
3 496
I'm a bit of a physics noob, but I am always curious about everything in the world. I concluded from Newton's...
Sep26-11 05:02 PM
6 869
A few months ago my physics teacher was talkign about "wave variance", and how everything has it, including walls and...
Sep24-06 10:42 PM
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