/u/rroach's posts

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If someone asks me 'how many apples are on the table', and I say 'five', am I counting them quickly in my head or do I remember what five apples look like?

4451 upvotes • r/askscience

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What's the expected lifetime of the Hoover Dam?

1114 upvotes • r/askscience

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Do spiders have a fixed pattern they use when webbing up their prey?

1003 upvotes • r/askscience

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"Most black families in the US have been here longer than probably half of white families." True?

126 upvotes • r/AskHistorians

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Would a sand timer still work the same if the sand grains were boulder-sized and the timer was proportionally larger?

88 upvotes • r/askscience

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Does the deep ocean have seasons?

85 upvotes • r/askscience

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In one of his stories, Sherlock Holmes says to another character that he hopes to see the Great Britain and the US combined into one nation. Was this a common sentiment of the era?

42 upvotes • r/AskHistorians

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How did engineers before algebra calculus know their massive buildings wouldn't collapse? What sort of math, plans or processes did they use to determine what was a sound structure and what wasn't?

24 upvotes • r/AskHistorians

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When did international volunteers for wars become so popular?

11 upvotes • r/AskHistorians

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Does the placement of numbers on a d20 affect the distribution of rolls in the long run?

8 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
If someone asks me 'how many apples are on the table', and I say 'five', am I counting them quickly in my head or do I remember what five apples look like?	4451	askscience
What's the expected lifetime of the Hoover Dam?	1114	askscience
Do spiders have a fixed pattern they use when webbing up their prey?	1003	askscience
"Most black families in the US have been here longer than probably half of white families." True?	126	AskHistorians
Would a sand timer still work the same if the sand grains were boulder-sized and the timer was proportionally larger?	88	askscience
Does the deep ocean have seasons?	85	askscience
In one of his stories, Sherlock Holmes says to another character that he hopes to see the Great Britain and the US combined into one nation. Was this a common sentiment of the era?	42	AskHistorians
How did engineers before algebra calculus know their massive buildings wouldn't collapse? What sort of math, plans or processes did they use to determine what was a sound structure and what wasn't?	24	AskHistorians
When did international volunteers for wars become so popular?	11	AskHistorians
Does the placement of numbers on a d20 affect the distribution of rolls in the long run?	8	askscience