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May25-09 10:31 AM ZapperZ 

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General Physics

- Nature and properties of matter and energy. For any physics topics not applicable to the categories below.
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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...
Apr8-14 10:13 AM
ZapperZ
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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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I come to these forums asking for help as I have searched up and down google without any success on finding an answer...
Sep9-08 09:55 PM
rbj
15 1,499
Plain and Simple: Why so we say motion is relative? Thank You.
Sep9-08 08:29 PM
russ_watters
6 3,731
Hi everyone, According to what I have read a string is a minute amount of vibrating energy. Is the word "energy"...
Sep9-08 08:19 PM
derek.basler
11 1,224
Good Evening, All...my first post. I am writing a blog on horseshoe pitching. I am trying to determine if a metronome...
Sep9-08 07:18 PM
Photon713
0 1,363
Hi, I am a drummer and have a question in regards to mounting my cymbals. If you have a look at this picture to...
Sep9-08 01:33 PM
brewnog
3 1,154
I have a question that has been bugging me lately. How is it that you determine the total error of a measurement? ...
Sep9-08 01:32 PM
Topher925
8 11,196
I've been reading that it is, there is a smallest volume of space, if this is so then there is also a smallest length....
Sep9-08 07:04 AM
Nick89
16 2,358
Why does a voltmeter have to be in parrallel??? Why not series?
Sep9-08 05:11 AM
AHobo
2 735
I have a couple questions about waves and Čerenkov radiation: 1. I know in all acoustic waves, rarefaction occurs...
Sep9-08 12:39 AM
atyy
5 1,357
The feynman propagator of the dirac field is a 4*4 matrix. What is the physical interpretation of this matrix ( I...
Sep8-08 11:38 PM
shanker86
5 1,485
In a cavity 12.5 cm by 3.9 cm, with Y being 12.5 cm and X/Z being 3.9, how would you calculate the resonance for that...
Sep8-08 10:19 AM
tiny-tim
1 940
Hey guys I need a bit of help with car physics type thing. I am trying to create a simulation of a car moving in a...
Sep8-08 06:26 AM
tarik666
3 2,129
Hi All, When reading Manometers, does the internal diameter of the manometer have a bearing on the readings & the...
Sep8-08 02:01 AM
burnit
2 892
ok, ill try to explain myself as best as i can. you have a box with all walls with "perfect mirrors", remove all air,...
Sep8-08 12:18 AM
winchy
15 2,972
what is the relationship between these two things for a given material?
Sep7-08 04:43 PM
soandos
15 5,852
Has an upper frequency limit for the photon ever been determined ?
Sep7-08 09:20 AM
dst
1 2,077
i need 200 physic vector animation or flash file
Sep7-08 06:03 AM
Vanadium 50
4 1,036
Hi guys, I have two quick questions to make. I spent much time without any success in answering them already. Maybe...
Sep7-08 05:00 AM
klidge@yahoo.com
0 1,056
On Sep 6, 8:42 am, Lou Pecora <pec...@anvil.nrl.navy.mil> wrote: > In article >...
Sep7-08 05:00 AM
kushal
12 4,829
I cannot see how the two can be mutually inclusive. If you super impose particles with potential energies that fall...
Sep7-08 04:44 AM
tiny-tim
3 1,096
Imagine a universe A, containing only two identical heavy planets situated at an almost infinite distance from each...
Sep6-08 09:34 PM
mheslep
9 1,235
so i have this question that says express the following in terms of their normal and tangential components. be sure...
Sep6-08 06:30 PM
BeckyStar678
0 913
I have been listening to Feynmans lectures at http://www.vega.org.uk/video/programme/46 on the properties of light. ...
Sep6-08 02:28 PM
edguy99
0 861
Consider a situation where you are standing still (with your feet chained to the floor) experiencing a horizontal...
Sep6-08 02:17 PM
LURCH
3 1,151
Could we ionize He also if it has the biggest ionization energy?
Sep6-08 08:40 AM
Oberst Villa
1 1,090
helo. I came across this mzi add drop function/device and need some help to to fully understand it. I attached...
Sep6-08 07:35 AM
w0lla
0 710
i really need IP topics which dont need more money and can be worked for a short time. im a 4th year student. ...
Sep6-08 07:27 AM
frenztoy
2 3,270
Hi all,i am extremely sorry that i am asking a very basic question,The unit of sound/noise is decibels,but unit of...
Sep6-08 06:14 AM
Doc Al
1 1,301
On Aug 30, 7:44 pm, "Juan R. González-Álvarez" <juanREM...@canonicalscience.com> wrote: > It seems to me that,...
Sep6-08 05:00 AM
Igor Khavkine
0 951
On 29 Авг, 05:27, Ian Parker <ianpark...@gmail.com> wrote: > On 28 Aug, 04:29, il...@abv.bg wrote: > > So you...
Sep6-08 05:00 AM
ilper@abv.bg
16 1,653
======== Welcome! to the Physics Newsgroups ========== The sci.physics.* and alt.sci.physics.* newsgroups are...
Sep6-08 05:00 AM
N:dlzc D:aol T:com \(dlzc\)
0 464
On Fri, 29 Aug 2008 12:12:57 +0000 (UTC), Chalky <chalkyspam@bleachboys.co.uk> wrote: >On Aug 29, 3:27 am, John...
Sep6-08 05:00 AM
John Polasek
18 1,106
"gunjanagrahari@gmail.com" wrote: > > Is there any method to determine concentration of Carbon dioxide > dissolved...
Sep6-08 05:00 AM
Uncle Al
2 1,948
Henrique de Andrade Gomes wrote: > I have a very simple question, does anyone know if the integral of the > scalar...
Sep6-08 05:00 AM
Marc Nardmann
1 1,119
Also available at http://math.ucr.edu/home/baez/week269.html August 30, 2008 This Week's Finds in Mathematical...
Sep6-08 05:00 AM
John Baez
0 285
I understand the principles behind recording the holograph, that we are using interference to record phase information...
Sep6-08 04:24 AM
skynelson
11 7,127
Hi all,actually i want to discuss about standing wave. Its little bit confusing to me.As a simple defintion,when two...
Sep6-08 03:49 AM
jtbell
5 1,024
Hi guys, Recently i had noticed that when i left the hot water in the shower on for a while, the mirrors would fog...
Sep6-08 02:03 AM
nacho-man
2 910
I have a question concerning scalar invariance with respect to an accelerating and an inertial reference frame. Here...
Sep6-08 12:14 AM
e2m2a
0 1,788
I am curious to hear people's opinions and to run a poll on the use of the term electrodynamics vs. the term...
Sep5-08 10:03 PM
cmos
0 1,979

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