/u/127-0-0-0's posts in /r/askscience

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If I have a square that is 3” by 3” and it has an area that’s 9”^2 and a rectangle that is 6” by 1.5” with an area of 9”^2, will the square or rectangle take longer to fill in using a pen going line by line vertically, horizontally, and diagonally?

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How many desalination plants would need to be built along the coastline of each in order to convert enough ocean salt water into potable drinking water for everyone on earth to have 6 to 8 glasses of potable water?

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Is the speed of sound in a vacuum infinite or zero?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If I have a square that is 3” by 3” and it has an area that’s 9”^2 and a rectangle that is 6” by 1.5” with an area of 9”^2, will the square or rectangle take longer to fill in using a pen going line by line vertically, horizontally, and diagonally?	1
How many desalination plants would need to be built along the coastline of each in order to convert enough ocean salt water into potable drinking water for everyone on earth to have 6 to 8 glasses of potable water?	1
Is the speed of sound in a vacuum infinite or zero?	1