/u/Stuck_In_the_Matrix's posts

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If Homo Sapiens have been around for 200,000 years, and the first civilization was around 5,000 years ago, what were we doing for the other 195,000 years?

49 upvotes • r/AskHistorians

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In quantum mechanics, a wavefunction collapses to a single eigenstate due to interaction with the external world. What exactly is an "observation" in the quantum world and does an observation require consciousness to collapse the wavefunction?

48 upvotes • r/askscience

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NASA says California needs 11 trillion gallons of water to get back to par. How much energy would be required to desalinate 11 trillion gallons? How much water is that in terms the average person could understand?

45 upvotes • r/askscience

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Why does Euler's sum of powers conjecture hold for the case where k=3 but not when k=4 or k=5? Does it hold true for k=6?

44 upvotes • r/askscience

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What is the history of the rank "captain?" Why is an Army Captain a lower rank than a Navy Captain?

42 upvotes • r/AskHistorians

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How did the telegraph industry respond to the creation of the telephone and to radio? What changes (in terms of rates and services) were made to compete? When was the telegraph made obsolete?

41 upvotes • r/AskHistorians

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Does anyone know who the woman is in this King George IV Coronation photo -- she is the woman to the right of the Queen Mother.

40 upvotes • r/AskHistorians

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Has there ever been a situation where succession of the crown was complicated by the birth of twins?

39 upvotes • r/AskHistorians

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If future data from the LHC and ILC suggest that our universe is metastable, what does that mean for the future of the universe?

35 upvotes • r/askscience

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What are the differences between how IBM's Deep Blue was programmed when it beat Kasparov vs. Google's Deepmind when it beat Lee Se-dol?

35 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
If Homo Sapiens have been around for 200,000 years, and the first civilization was around 5,000 years ago, what were we doing for the other 195,000 years?	49	AskHistorians
In quantum mechanics, a wavefunction collapses to a single eigenstate due to interaction with the external world. What exactly is an "observation" in the quantum world and does an observation require consciousness to collapse the wavefunction?	48	askscience
NASA says California needs 11 trillion gallons of water to get back to par. How much energy would be required to desalinate 11 trillion gallons? How much water is that in terms the average person could understand?	45	askscience
Why does Euler's sum of powers conjecture hold for the case where k=3 but not when k=4 or k=5? Does it hold true for k=6?	44	askscience
What is the history of the rank "captain?" Why is an Army Captain a lower rank than a Navy Captain?	42	AskHistorians
How did the telegraph industry respond to the creation of the telephone and to radio? What changes (in terms of rates and services) were made to compete? When was the telegraph made obsolete?	41	AskHistorians
Does anyone know who the woman is in this King George IV Coronation photo -- she is the woman to the right of the Queen Mother.	40	AskHistorians
Has there ever been a situation where succession of the crown was complicated by the birth of twins?	39	AskHistorians
If future data from the LHC and ILC suggest that our universe is metastable, what does that mean for the future of the universe?	35	askscience
What are the differences between how IBM's Deep Blue was programmed when it beat Kasparov vs. Google's Deepmind when it beat Lee Se-dol?	35	askscience