General Science, Physics & Math

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Discussion forum for general science topics and non-electrical engineering.
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H
Supercaps negative
Last message by
HugoMorris
6
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1K
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Glenn Holland
What's The Difference Between Phase Velocity And Group Velocity?
Last message by
Glenn Holland
2
Replies
4K
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cmartinez
Electrostatic's role in planet formation
Last message by
cmartinez
13
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3K
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killivolt
Hypothesis Test "Statistics"
Last message by
killivolt
8
Replies
2K
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zemanekj
How to calculate voltage in a parallel circuit with more than one voltage source?
Last message by
crutschow
1
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1K
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killivolt
Solar Superstorm July 23rd 2012
Last message by
killivolt
2
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2K
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D
What math do you really need, and what's some that you never really use ?
Last message by
visionofast
2
23
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4K
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nsaspook
Why do Cells Age and Die?
Last message by
jpanhalt
2
22
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3K
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Wendy
How to make a cube using isometric style drawing?
Last message by
SamR
11
Replies
3K
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Externet
Electrolysis...
Last message by
jpanhalt
10
Replies
1K
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nsaspook
Big numbers
Last message by
WBahn
2
37
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4K
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D
How did you remember sin, cos, tan ?
Last message by
sisoj
2
32
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4K
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nsaspook
Mysterious Coherence in Several-megaparsec Scales
Last message by
nsaspook
0
Replies
940
Views
W
How to calculate 3 phase apparent power from voltage and current measurements
Last message by
wrt54gl
16
Replies
8K
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D
Whats a good graphic calculator these days ?
Last message by
dl324
2
25
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3K
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Wendy
Circle Problem
Last message by
ci139
6
Replies
2K
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killivolt
Statistics: Experimental Probability.
Last message by
jpanhalt
11
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2K
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D
Calculating AC servo motor torque?
Last message by
dbag123
2
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1K
Views
R
Expanding Universe
Last message by
profbuxton
13
Replies
2K
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nsaspook
Power-beaming demonstration
Last message by
jpanhalt
3
Replies
1K
Views
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