In the likely event that "Fourier transform" means little to you (would you believe nothing whatsoever?) you could go to Wikipedia which might leave you in even more of a fog or you could just live with knowing it has something to do with representing something by showing the "fundamental frequencies" which, if added together, will produce it. Kind of like chords in music are built from individual notes. In any case, I'm sure Luna the Tuna is glad I haven't had any accidents recently.
To see more of cartoonist Randall Munroe's work, click the above sample cartoon.
Here's another one, slightly less technical, which I like.
Here's the caption he gives:
With reasonable assumptions about latitude and body shape, how much time might she gain them? Note: whatever the answer, sunrise always comes too soon. (Also, is it worth it if she throws up?)
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