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Do you think practical nuclear fusion energy will ever be a thing?
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45
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608
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August 13, 2026
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The Great Ongoing Space Exploration Thread
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2404
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58827
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August 12, 2026
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The Cretaceous-Paleogene extinction event had to have been crazy fast, right?
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23
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630
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August 11, 2026
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How was paper made white before modern chemistry?
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33
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648
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August 6, 2026
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Are EM waves additive like sound waves? Or do they remain distinct?
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22
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448
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July 23, 2026
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Speed of light / reflection question
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12
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257
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July 21, 2026
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Water flowing over a weir: X inches deep means how many gallons/second per foot?
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9
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244
|
July 20, 2026
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Speed of light=time stands still?
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17
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623
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July 8, 2026
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Are there any known non-rotating black holes
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2
|
204
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July 4, 2026
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How long would ice last in orbit?
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5
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366
|
July 2, 2026
|
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Probability question - time to achieve a given sequence of coin flips
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19
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411
|
April 28, 2026
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Serious question about coconuts
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33
|
641
|
April 17, 2026
|
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How long for a spacecraft to reach Tau Ceti at 1 g?
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55
|
1046
|
April 11, 2026
|
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Antimatter-matter equality questions
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28
|
711
|
April 6, 2026
|
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Tails and half tails on human (ancestors)
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7
|
312
|
January 30, 2026
|
|
What is the longest distance pair of acoustic mirrors?
|
|
15
|
376
|
January 24, 2026
|
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Gun sighting equation and trigonometry
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|
15
|
362
|
January 21, 2026
|
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YouTuber builds a camera that films light at 2 billion fps
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0
|
115
|
January 3, 2026
|
|
Beyond General Relativity
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18
|
570
|
December 31, 2025
|
|
How many roots are there in a square root?
|
|
32
|
648
|
December 23, 2025
|
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Electromagnetic analogs in General Relativity
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5
|
140
|
December 21, 2025
|
|
Plastic Recycling Breakthrough or scam
|
|
3
|
143
|
December 20, 2025
|
|
The creation of the planets in our Solar System
|
|
44
|
831
|
December 1, 2025
|
|
Mars impact lunar origin theory: How does the Moon reach a stable, nearly circular orbit?
|
|
23
|
440
|
November 11, 2025
|
|
Is a Category 6 Hurricane Meteorologically Possible?
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|
29
|
794
|
October 31, 2025
|
|
2025 Nobel Prizes
|
|
22
|
548
|
October 13, 2025
|
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Some questions related to particle physics and cosmology (Higgs field, dark energy, and more)
|
|
6
|
149
|
October 6, 2025
|
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Why is a spinning Black Hole distinct from one that doesn't? How does a Black Hole even spin? Why is it important?
|
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74
|
946
|
October 3, 2025
|
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Three Against the System: An Algebra Action Movie
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|
5
|
112
|
September 17, 2025
|
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Is it possible to detect light without receiving it?
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24
|
449
|
September 13, 2025
|