Physics
John Doty's user avatar
John Doty's user avatar
John Doty's user avatar
John Doty
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All Questions Answers
Score Newest
answer
30
Time is the only dimension that has an arrow, and the only dimension which contributes an opposite sign to the metric. Is that just a coincidence?
May 29
answer
23
If I push someone, what fundamental force do I create?
Mar 15
answer
22
Why are there three bright spots in the first picture of Sagittarius A*?
May 12
answer
17
Failure of Newton's corpuscular theory and success of photon theory of light
May 16
answer
17
Could the center of the galaxy explode as a result of a chain reaction of stars going supernova?
Apr 13
answer
14
On a magnetar, which force would exert a bigger pull on a 10 kg iron chunk?
Jul 19
answer
13
How is energy "stored in an electric field"?
Jun 21
answer
12
How does it make sense for the universe to have started from a big bang?
May 14
answer
12
Why do we even need RF cavities to accelerate particles?
Jul 23
answer
10
Can we get shock by ionic current?
Aug 1
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60
Why do exploration spacecraft like Voyager 1 and 2 go through the asteroid belt, and not over or below it?
36
Why do Canopus Star Trackers track Canopus? Why not so Sirius?
19
Which (if any) space telescope would have worked longer if it hadn't simply run out of helium?
19
Is expression in Mathematica well defined?
18
In Dune, how do people cope with the lack of computers?

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