TumbleWeed

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bookmania:

The Library, Shakespeare’s House, Stratford Upon Avon.

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$jtotheizzoe: The Fire Rainbow I’ve never been lucky enough to see one of these, have you? Make no mistake, though, they’re real. The technical term for the fire rainbow is a circumhorizontal arc. High in the atmosphere, cirrus clouds form as wispy layers of ice that can stretch on for hundreds of miles. As light from the sun hits it, it refracts as if it was being shone through a prism. This refraction happens because when light goes from one medium to another, like from air to water or air to ice, it can be bent. Different wavelengths are bent to different extents, separating white light into its component colors. Want to know more? Check out this Khan Academy lesson on refraction. (via Kuriositas)$

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jtotheizzoe:

Apparently this is how xkcd creator Randall Munroe pays his Verizon bill.
That’s one way to stick it to the man. It’s also awesome.
(Edit 5/20: The original version of this included a caption saying the math worked out to $536.49. But there’s a typo in the caption. It’s iπ, not 2π. Now that I am awake enough to do the math, it works out to equal 0.002, and is a reference to this facepalmingly dumb experience with Verizon’s billing department. Original here.)

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