Science/Math
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It is an old and fairly well documented trick to use cellular automata to generate cave-like structures.
Cellular Automata Method for Generating Random Cave-Like Levels
Blog Archive » A brief history of problems that ruined my world
A different (maybe better) title for this might be: the most frequently banned topics on the internet .
Tupper's self-referential formula is a self-referential formula defined by Jeff Tupper that, when graphed in two dimensions, can visually reproduce the formula itself.
Tupper's self-referential formula
It's rather obvious when a number is divisible by 2 or 5, and some of you probably know how to tell if a number is divisible by 3, but it is possible to figure out the division 'rule' for any number.
Nerd Paradise : Divisibility Rules for Arbitrary Divisors
11 cheap gifts guaranteed to impress science geeks
Science comes up with a lot of awesome stuff, and you don't need a Ph.D, a secret lab, or government funding to get your hands on some of the coolest discoveries. We've got a list of 11 mostly affordable gifts that are guaranteed to blow your mind, whether or not you're a science geek.
How to Hunt Elephants
MATHEMATICIANS hunt elephants by going to Africa, throwing out everything that is not an elephant, and catching one of whatever is left.
There are many unsolved problems in mathematics. Some prominent outstanding unsolved problems (as well as some which are not necessarily so well known) include
Unsolved Problems
What does 0^0 (zero raised to the zeroth power) equal? Why do mathematicians and high school teachers disagree
Clever student: I know!Weierstrass functions
Weierstrass functions are famous for being continuous everywhere, but differentiable "nowhere".