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Does burning food release the same amount of energy as digesting it?
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10
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296
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September 24, 2026
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What are the Strongest Scientific Consensuses That Turned Out to Be Possibly, or Definitely, Wrong?
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174
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2425
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September 16, 2026
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The Great Ongoing Space Exploration Thread
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2418
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59636
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September 6, 2026
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More trouble for Dan Ariely
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11
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324
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September 5, 2026
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Mass of an Electron
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11
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443
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August 27, 2026
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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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682
|
August 13, 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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650
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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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712
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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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472
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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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278
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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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247
|
July 20, 2026
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Speed of light=time stands still?
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17
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647
|
July 8, 2026
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Are there any known non-rotating black holes
|
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2
|
212
|
July 4, 2026
|
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How long would ice last in orbit?
|
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5
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375
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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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426
|
April 28, 2026
|
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Serious question about coconuts
|
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33
|
678
|
April 17, 2026
|
|
How long for a spacecraft to reach Tau Ceti at 1 g?
|
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55
|
1118
|
April 11, 2026
|
|
Antimatter-matter equality questions
|
|
28
|
716
|
April 6, 2026
|
|
Tails and half tails on human (ancestors)
|
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7
|
318
|
January 30, 2026
|
|
What is the longest distance pair of acoustic mirrors?
|
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15
|
392
|
January 24, 2026
|
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Gun sighting equation and trigonometry
|
|
15
|
381
|
January 21, 2026
|
|
YouTuber builds a camera that films light at 2 billion fps
|
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0
|
117
|
January 3, 2026
|
|
Beyond General Relativity
|
|
18
|
574
|
December 31, 2025
|
|
How many roots are there in a square root?
|
|
32
|
682
|
December 23, 2025
|
|
Electromagnetic analogs in General Relativity
|
|
5
|
140
|
December 21, 2025
|
|
Plastic Recycling Breakthrough or scam
|
|
3
|
148
|
December 20, 2025
|
|
The creation of the planets in our Solar System
|
|
44
|
837
|
December 1, 2025
|
|
Mars impact lunar origin theory: How does the Moon reach a stable, nearly circular orbit?
|
|
23
|
449
|
November 11, 2025
|
|
Is a Category 6 Hurricane Meteorologically Possible?
|
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29
|
807
|
October 31, 2025
|
|
2025 Nobel Prizes
|
|
22
|
551
|
October 13, 2025
|