Physics Stack Exchange is a question and answer site for
active researchers, academics and students of physics. It's 100% free, no registration required.
Tell me more
Tell me more
Here's how it works:
- Anybody can ask a question
- Anybody can answer
- The best answers are voted up and rise to the top
22
votes
6
answers
2
kviews
23
votes
2
answers
616
views
7
votes
1
answer
250
views
6
votes
7
answers
298
views
7
votes
2
answers
195
views
4
votes
2
answers
165
views
5
votes
3
answers
86
views
8
votes
1
answer
292
views
3
votes
5
answers
120
views
3
votes
3
answers
91
views
2
votes
4
answers
146
views
5
votes
2
answers
106
views
7
votes
2
answers
99
views
13
votes
1
answer
94
views
4
votes
2
answers
88
views
2
votes
2
answers
176
views
4
votes
3
answers
83
views
7
votes
3
answers
99
views
5
votes
3
answers
96
views
3
votes
1
answer
105
views
-2
votes
1
answer
98
views
4
votes
2
answers
76
views
11
votes
1
answer
125
views
1
vote
1
answer
74
views
7
votes
1
answer
92
views
1
vote
2
answers
113
views
1
vote
3
answers
87
views
5
votes
2
answers
111
views
2
votes
1
answer
82
views
1
vote
2
answers
130
views
3
votes
2
answers
101
views
7
votes
1
answer
93
views
2
votes
2
answers
144
views
6
votes
2
answers
84
views
0
votes
2
answers
82
views
4
votes
2
answers
81
views
4
votes
2
answers
104
views
4
votes
2
answers
77
views
5
votes
1
answer
75
views
2
votes
2
answers
72
views
0
votes
3
answers
71
views
5
votes
2
answers
90
views
4
votes
2
answers
70
views
3
votes
2
answers
112
views
3
votes
1
answer
83
views
4
votes
1
answer
129
views
3
votes
2
answers
99
views
7
votes
3
answers
76
views