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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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Apr22-11 05:27 AM
ZapperZ
2 63,519
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
166 159,909
:mad: Hi Everybody, I'm currently involved in a project in which I have to display the trajectory of a flying...
May20-04 04:30 PM
Stanley_Smith
3 919
Hi, I'm a senior undergraduate student in a Univ in China, majoring physics. I wonder if I can meet someone...
Jan26-06 06:29 PM
stanustcer@gmail.com
0 664
Hi, I'm a senior undergraduate student in a Univ in China, majoring physics. I wonder if I can meet someone...
Nov4-06 03:22 PM
stanustcer@gmail.com
0 464
I'm really confused!!! How can time be relative and speed of light absolute? If you were moving a long with speed,...
Feb28-10 06:19 AM
colin456
2 781
why are pillars and columns and railway lines 'I-shaped'? how is buckling prevented? howis the weight distributed?
Oct8-08 06:41 PM
russ_watters
2 4,463
First question: What would happen if a nucleus was bombarded with gamma rays? Second question: Why are nuclei of...
Mar28-06 06:22 AM
vivishek
2 903
Have they ever retried to recreate the heavier elements, such as element 118? I have heard no news since they...
Mar26-06 04:26 AM
Uncle Al
1 1,156
Hey, I asked this question on sci.physics but nobody was able to answer me. So I am asking it again here. How is...
Apr7-06 04:00 AM
Igor Khavkine
3 909
How much can GR and QFT be modified so that their 'axioms' work together? Does it make the most sense to start 'from...
Apr21-06 04:00 AM
Thomas Cuny
5 975
Why does everybody assume that the gravitational field must be quantized in some sense? Why not simply derive a...
Jul1-06 04:00 AM
markwh04@yahoo.com
12 1,249
What are all the different methods being used to measure G? Why are the results so different for more precise...
Apr16-06 04:43 AM
Uncle Al
10 966
I have heard a theory for cosmology that involves bubbles having formed at some point. This seems to be consistent...
Apr20-06 04:00 AM
Starbles@Earthlink.net
5 810
I'm currently wondering about these three Theories Of Everything. http://www.superstringtheory.com/ (Quantity G is...
Apr25-06 04:01 AM
Starbles@Earthlink.net
0 1,069
I'm currently wondering about these three Theories Of Everything. http://www.superstringtheory.com/ (Quantity G is...
Apr28-06 04:00 AM
Cl.MassÚ
3 1,229
First question: What would happen if a nucleus was bombarded with gamma rays? Second question: Why are nuclei of...
Nov4-06 03:28 PM
vivishek
2 862
Have they ever retried to recreate the heavier elements, such as element 118? I have heard no news since they...
Nov4-06 03:28 PM
Uncle Al
1 756
Hey, I asked this question on sci.physics but nobody was able to answer me. So I am asking it again here. How is...
Nov4-06 03:29 PM
Igor Khavkine
3 804
Why does everybody assume that the gravitational field must be quantized in some sense? Why not simply derive a...
Nov4-06 03:36 PM
markwh04@yahoo.com
12 915
I have heard a theory for cosmology that involves bubbles having formed at some point. This seems to be consistent...
Nov4-06 03:29 PM
Starbles@Earthlink.net
5 586
What are all the different methods being used to measure G? Why are the results so different for more precise...
Nov4-06 03:29 PM
Uncle Al
10 945
How much can GR and QFT be modified so that their 'axioms' work together? Does it make the most sense to start 'from...
Nov4-06 03:29 PM
Thomas Cuny
5 718
I'm currently wondering about these three Theories Of Everything. http://www.superstringtheory.com/ (Quantity G is...
Nov4-06 03:32 PM
Cl.MassÚ
3 822
what does this mean. I am performing an experiment on an air track with a cart that experiences significant air...
Mar29-08 03:45 PM
neu
1 889
I am trying to find the force necessary to tilt a vertical frame. I have a triangular frame, which is standing on...
Jan10-09 03:39 AM
Thaakisfox
3 2,269
I had earlier posted a question in this section, but it got moved to homework section. so i did some homework and am...
Mar30-09 12:42 PM
starcrossed
0 1,114
can you please help me with this as i am confused? I am designing a frame for my project. I have a rod GF connected...
Apr23-09 11:46 PM
starcrossed
4 2,691
What is the relation between the pressure that is exerted on the internal walls of a cylinder and the characteristics...
May6-13 08:33 AM
Chestermiller
15 1,386
Recent news articles say that the earthquake in Japan changed the angular velocity of the rotation of the earth on its...
Mar14-11 09:08 PM
nasu
3 2,144
Suppose you are in a space capsule in orbit around the earth that is pressurized to 1 atmosphere. You open an ordinary...
Apr12-11 10:08 AM
S_Happens
4 2,307
There are many examples in nature of frozen moving water(frozen rivers, frozen streams,etc). How does the movement...
Nov11-11 12:51 AM
Doomemperor
8 16,769
I know that Edwin Abbott more than 100 years ago wrote about a hypothetical universe with only two dimensions. I...
Jul31-13 09:46 PM
starfish99
2 669
I could not find an optics forum, so I'm posting this here. I'm trying to learn about the optics of imperfect real...
Sep30-13 01:54 AM
Drakkith
10 522
I read that many high pressure sodium and high pressure mercury street lights are being replaced with much more...
Oct26-13 05:33 PM
sophiecentaur
9 562
is there a gas which its volume increases nonlinearly with decrease in pressure?
Nov29-11 10:12 AM
modulus
4 2,060
In communications with mathematicians about the purely theoretical possiility of mutually canceling spacetime /...
Sep26-07 05:00 AM
stargene
0 1,184
In the spirit of Einstein's relation for the relativistic collinear addition of velocities, does there also exist a...
Apr6-08 05:00 AM
stargene
0 579
When Thorne et al proved that the Einstein-Rosen bridge interpretation of the black hole paradigm was unstable...
Apr23-08 05:00 AM
Uncle Al
1 1,913
Knecht wrote: > > On Oct 23, 2:06 am, Uncle Al <Uncle...@hate.spam.net> wrote: > > > > You are living inside a...
Oct25-08 05:00 AM
Uncle Al
4 1,573
Help on the velocity of sound in a gas?... Taking two samples of the same ideal gas, and assuming every- thing...
Dec20-08 05:00 AM
stargene
0 1,106
A question about Susskind/Lindesay's meaning on 'varying Planck length': In "Black Holes, Information and the...
Nov4-06 03:38 PM
Igor Khavkine
3 935

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