nonstaff:

petition to make this the new loading gif
matthen:

Unrolling these circles gives fills a triangle with base 2 π r and height r (where r is the radius of the filled disk). Such a triangle has area π r2. This does not serve as a complete proof for why this is the area of a circle, but can give you some intuition for why it should be. [code]
1-indsey:


The only known video footage of Anne Frank

I can’t think of any reason why someone would not reblog this. 
If this isn’t interesting/sad to you, then I don’t know what you like in life.
floratil:

Black and white | Instagram
nonsense-world:

 
s-atisfait:

時尚
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