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Jul24-14 11:39 AM Greg Bernhardt 
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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
168 183,705
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Apr22-11 05:27 AM
2 68,948
ABS brakes and regular in physics way..i understand that they aviod skids by not locking...but what is the...
Feb13-06 03:03 AM
3 1,722
My physics textbook talks about them like they are two different things. Can someone explain further? Thanks for...
Jul13-07 12:45 PM
3 6,514
Ok, so i just finished my first semester ever of calculus. I have never ever made it this far in math in my life...
Jan9-13 07:52 AM
9 832
What do you use?
Dec15-08 01:56 PM
0 1,438
I found this equation a=qE/m, for finding the acceleration of an electron. If I were to try to find the acceleration...
Jun24-12 07:27 PM
1 1,106
hi i have come across a post regarding ignition spark in cars with waste spark management. and my question is... that...
Oct22-12 07:13 PM
18 1,388
what is RCS supposed to mean in physics, i have a quiz tommorow with that as a bonus question, i know it has something...
Nov12-04 12:25 AM
1 1,312
I need to know what the "BEST" formula for me to use is... and I actually have 5 decimal places on all this data...
Nov5-09 06:33 PM
5 7,641
What is more important to the development of science and technology and the furtherment of human knowledge: Physics...
Jun18-04 04:27 PM
19 1,748
Before I begin this thread, I will go ahead and tell you I do not have much experience in the field of physics....
Jan4-14 03:43 PM
32 1,237
whats is the different between kienetic energy and momentum.with examples . i know the mathemetical...
Jan5-11 01:00 PM
9 1,413 ok so this guy throws up a cup of hot water at like 45 below zero F. And...
Oct5-10 02:57 AM
James Leighe
6 2,006
why does peak of fire of a matchstick face upwards ie away from ground.why is it not effected by gravity,is there any...
Apr23-12 10:13 PM
19 2,751
Im just interested to know because apparently there is something faster than the speed of light and the fastest thing...
May16-13 09:05 AM
5 869
Examples of these effects can be found here.
Sep2-09 07:38 AM
0 1,111
I can easily picture joules per second (I just see light of varying intensities passing a point at varying rates) I...
Sep14-10 08:36 AM
3 2,759
Hello, I am a student in high schoool, and everywhere i look i see the obvious implications that light travels as a...
May19-04 01:57 PM
3 3,754
I'm just wondering, with all these theories out there (M-theory, tachyons, anti-particles, etc., etc.) aren't they...
Mar31-03 11:22 AM
3 1,647
remember the directed energy weapons (or Star Wars) project? what kinds of thing did they create and why aren't they...
Jun10-03 04:10 PM
1 1,295
Suppose I have a superconducting solenoid MRI magnet (cooled with liquid helium) producing a static magnetic field...
Oct17-09 06:44 AM
7 996
this? I caught it in a post in another forum and I was...
Mar18-05 11:46 PM
3 882
Hello, a friend of mine has a "revolutionary" idea about harvesting wind power by using a "translational turbine"....
Mar6-12 09:22 AM
8 1,370
I've had this idea for a while. I can't see anything wrong with it. Maybe someone here can tell me if it's unsound. ...
Nov21-05 07:36 PM
5 1,205
I was looking through a book on magnetism and it had the attached diagrams of field lines and stated that the...
Jan7-14 11:09 AM
35 932
Hello; For my coursework I am studying how changing the wavelength of a beam of light affects the index of...
Jul20-11 10:25 AM
15 3,771
"If a particle which has mass travel at the speed of light, the particle mass will reach infinity, which require...
Nov22-04 10:17 AM
3 1,356
Hello Dear people,i wanted to know wat actually is wavelength?? I have heard all the definations most of them says...
Sep4-13 06:37 AM
15 895
Sorry for the subject typo. I noticed an interesting thing while looking at my never-folded clothes (and forgive me...
Mar6-08 12:18 PM
0 528
The filaments at the red pointer. Is that the result of shockwave? Thanks
May18-08 07:32 PM
2 2,382
I don't understand the thing with Einstein and the moving clocks. Two clocks moving re- lative to each other; each...
Jul28-03 08:11 PM
2 1,477
Hi everyone. This probably isn't the right place for people like me to ask stuff like this but I've searched the...
Mar16-10 07:56 PM
4 923
As far as I am aware, Rare Earths and particularly NdBFe is the strongest known magnetic material. Is this true and...
Jan3-12 05:37 PM
1 1,010
Hello i want to know what's the strongest magnetic field safe for a man who has pacemaker without having any problems...
Aug5-10 09:47 AM
2 1,603
What is the physcial signifcance of pi's appearance in a mathematical solution, if any?? Pi, the circumference of...
Oct14-08 10:08 PM
8 20,950
Back in 2008 I posted the same topic 2/∏ and is also a component...
Jan14-13 04:18 PM
17 2,413
What's the shape of a microwave beam in a microwave oven? I wonder wether is a ray a small cone, a big cone a band......
Feb20-08 05:04 PM
4 1,547
I've searched for this question on these forums and google and everyone seems to have the same question as me, but...
Apr3-10 07:50 PM
Vanadium 50
2 1,658
Dear all, is the relation between chemical composition of a material and its physical properties a peering relation or...
Sep18-11 10:35 PM
3 1,301
what's the relation be zmole (zettamole) and mole? thx!
Jul21-08 11:04 PM
1 1,981
What's the probability of someone's getting thunderstruck, I guess out in the wild it's more likely to occur than in...
Jan1-09 07:20 AM
1 970

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