/u/mellowmonk's posts

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Should China's Great Wall be considered a massive boondoggle, since it was intended to keep out northern peoples but didn't seem to hinder the Manchus or Mongols in invading and conquering China?

283 upvotes • r/AskHistorians

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Why is the center of the Milky Way galaxy always shown as a bright spot? Isn't there a supermassive black hole there?

14 upvotes • r/askscience

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How important was Rome's specific location on the Italian peninsula in growing from an unremarkable village into a mighty empire?

13 upvotes • r/AskHistorians

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Why did Einstein pick the photon's speed as the fastest in the universe? Given that there were/are so many known and hypothesized particles, what made light so special? Or was it because the math worked out?

13 upvotes • r/askscience

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Why is there so much attraction going on at the subatomic level? Strong force, weak force, electromagnetic force. Quarks forming protons, protons and neutrons forming a nucleus, electrons orbiting the nucleus. Why should it be that all this attraction happens at all?

12 upvotes • r/askscience

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Are there any types of cells in the human body that don't turn cancerous?

8 upvotes • r/askscience

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Since gravity works across such immense distances, is it thought to be related somehow to quantum entanglement?

6 upvotes • r/askscience

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What kind of mathematics is behind the seemingly random zigzagging flight patterns of some insects? Has anyone figured out how this is encoded neurologically?

5 upvotes • r/askscience

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Why does the glare of a green laser pointer beam hitting a wall etc. look grainy?

4 upvotes • r/askscience

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If a grenade exploded right next to you on the Moon, would there be any concussion? (Assuming the explosive didn't need oxygen to explode.)

3 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
Should China's Great Wall be considered a massive boondoggle, since it was intended to keep out northern peoples but didn't seem to hinder the Manchus or Mongols in invading and conquering China?	283	AskHistorians
Why is the center of the Milky Way galaxy always shown as a bright spot? Isn't there a supermassive black hole there?	14	askscience
How important was Rome's specific location on the Italian peninsula in growing from an unremarkable village into a mighty empire?	13	AskHistorians
Why did Einstein pick the photon's speed as the fastest in the universe? Given that there were/are so many known and hypothesized particles, what made light so special? Or was it because the math worked out?	13	askscience
Why is there so much attraction going on at the subatomic level? Strong force, weak force, electromagnetic force. Quarks forming protons, protons and neutrons forming a nucleus, electrons orbiting the nucleus. Why should it be that all this attraction happens at all?	12	askscience
Are there any types of cells in the human body that don't turn cancerous?	8	askscience
Since gravity works across such immense distances, is it thought to be related somehow to quantum entanglement?	6	askscience
What kind of mathematics is behind the seemingly random zigzagging flight patterns of some insects? Has anyone figured out how this is encoded neurologically?	5	askscience
Why does the glare of a green laser pointer beam hitting a wall etc. look grainy?	4	askscience
If a grenade exploded right next to you on the Moon, would there be any concussion? (Assuming the explosive didn't need oxygen to explode.)	3	askscience