History of Science and Mathematics
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DrZ214's user avatar
DrZ214's user avatar
DrZ214
  • Member for 8 years, 5 months
  • Last seen more than a month ago
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I have many hobbies and interests that lead me to research in the fields of physics, aircraft/spacecraft/submarines, electromagnetism, history, and others.

Check out my game Scenario Chess, a custom chess game where you can cross rivers, battle multiple armies, and fight across real-world terrain. Coming soon to Steam.

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Top posts
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All Questions Answers
Score Newest
question
20
What type of abrasive grit was used to grind lenses for telescopes?
Jan 10
question
11
A knot cannot be tied in 4-dimensions, but when was this conjectured and proven?
Feb 19, 2017
question
6
Before the discovery of the neutron, how did scientists explain standard atomic weights?
Oct 14, 2017
question
5
Why was Beaumont's steam engine not replicated for about 100 years?
Jun 7, 2018
question
5
When William Herschel discovered Uranus, who else at the time had a comparable telescope?
Feb 28, 2017
question
5
Why was the V-2 not a solid rocket, and/or what is the scientific history of solid rockets?
Aug 14, 2015
question
5
How did chemists figure out atomic weights, when hydrogen, etc., were first discovered?
Feb 5, 2016
question
4
What were the applications of ellipses before elliptical orbits were discovered?
Jan 29, 2016
question
4
When was the British Flag Theorem discovered or proven?
Apr 2, 2017
question
4
What/When was the first radio nav system capable of triangulating your position?
Sep 29, 2017
Top Meta posts
1
0
10
Does HSM also include the history of technology?
Top network posts
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120
Did China ever consider a phonetic writing system?
113
On 1941 Dec 7, could Japan have targeted the Panama Canal instead of Pearl Harbor in a surprise attack?
93
Why didn't Germany blockade the Strait of Gibraltar during WW2?
84
Why is the heart not in the middle of the body?
78
Are there any saltwater rivers on Earth?

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