/u/Stuck_In_the_Matrix's posts in /r/askscience

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If I was floating in space and only needed to maintain my body temperature to survive, how far from the sun would I need to be to maintain a stable safe bodily temperature?

28 upvotes

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Has there ever been a mathematical conjecture that appeared true due to Heuristic justification but eventually was shown to be the opposite by a far outlying counterexample?

27 upvotes

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What percentage of the U.S. adult population (18+) is currently on some type of prescription medication?

22 upvotes

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Is there a certain AC frequency where transformers are most efficient?

22 upvotes

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Why is the Collatz Conjecture, a seemingly easy to understand problem, so difficult to prove? If it could be proven that any starting number eventually reaches a smaller number in the chain, would that be proof of the conjecture?

22 upvotes

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Did Earth have an Ozone Layer before the Great Oxygenation Event? If not, was there drastically more UV light hitting the surface? How would this affect evolution?

20 upvotes

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How is GPS so accurate? How is it able to tell me where I am within a few meters when the satellites are thousands of miles in space? How do they correct for minor drifts due to gravitational inconsistencies?

20 upvotes

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Is the Flynn Effect actually true? If so, why has average human intelligence been increasing gradually?

19 upvotes

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How sensitive are the most advanced seismometers? Could they register me jumping up and slamming to the ground from a mile away?

19 upvotes

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Is it possible that all elements are radioactive at some point -- even if it took the age of the universe for just one atom to decay?

15 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If I was floating in space and only needed to maintain my body temperature to survive, how far from the sun would I need to be to maintain a stable safe bodily temperature?	28
Has there ever been a mathematical conjecture that appeared true due to Heuristic justification but eventually was shown to be the opposite by a far outlying counterexample?	27
What percentage of the U.S. adult population (18+) is currently on some type of prescription medication?	22
Is there a certain AC frequency where transformers are most efficient?	22
Why is the Collatz Conjecture, a seemingly easy to understand problem, so difficult to prove? If it could be proven that any starting number eventually reaches a smaller number in the chain, would that be proof of the conjecture?	22
Did Earth have an Ozone Layer before the Great Oxygenation Event? If not, was there drastically more UV light hitting the surface? How would this affect evolution?	20
How is GPS so accurate? How is it able to tell me where I am within a few meters when the satellites are thousands of miles in space? How do they correct for minor drifts due to gravitational inconsistencies?	20
Is the Flynn Effect actually true? If so, why has average human intelligence been increasing gradually?	19
How sensitive are the most advanced seismometers? Could they register me jumping up and slamming to the ground from a mile away?	19
Is it possible that all elements are radioactive at some point -- even if it took the age of the universe for just one atom to decay?	15