User:MrMortadelo/Books/IMPORTANT

THINGS THAT ARE INTERESTING

 * 1 + 2 + 3 + 4 + ⋯
 * Autostereogram
 * Banana equivalent dose
 * Brachistochrone curve
 * Cipher
 * Great Internet Mersenne Prime Search
 * Imperial units
 * Inaccessible cardinal
 * Largest known prime number
 * List of logic symbols
 * Zeno's paradoxes