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

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Are there any functions other than e^x that are their own derivatives?

43 upvotes

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How efficient are drinking fountains?

30 upvotes

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How do sounds with the same pitch sound different?

6 upvotes

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Is there a name for sine-like waves that are generated from shapes other than a circle?

4 upvotes

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Why does the hypervolume formula for a 3-sphere have a pi^2 in it?

3 upvotes

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How do you raise a number to a complex exponent?

2 upvotes

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In Planck units, are all constants equal to one, or at least something not-too-arbitrary?

2 upvotes

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Why can a marker write on whiteboard but a fountain pen just beads up?

1 upvotes

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What's the longest distance by car between two points that are the closest as the bird flies?

1 upvotes

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A potato shape problem

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Are there any functions other than e^x that are their own derivatives?	43
How efficient are drinking fountains?	30
How do sounds with the same pitch sound different?	6
Is there a name for sine-like waves that are generated from shapes other than a circle?	4
Why does the hypervolume formula for a 3-sphere have a pi^2 in it?	3
How do you raise a number to a complex exponent?	2
In Planck units, are all constants equal to one, or at least something not-too-arbitrary?	2
Why can a marker write on whiteboard but a fountain pen just beads up?	1
What's the longest distance by car between two points that are the closest as the bird flies?	1
A potato shape problem	1