The eyeballing game
Trisect the angles of any triangle and the adjacent intersections will form an equilateral triangle. Drag the corners and see for yourself!
A collection of quotes from some of my professors back when I was a student.
Mathematics, applications of mathematics to life in general, and my life as a mathematician
A dissection fallacy is an apparent paradox arising when two plane figures with different areas seem to be composed by the same finite set of parts. In order to produce this illusion, the pieces have to be cut and reassembled so skillfully, that the ...
Perfect numbers are such that
Think you can solve it, Hilarious Pictures, Funny Pictures updated constantly by Rage Trolling.
Given the above figure (without looking at the figure below!), determine how to disengage the two slotted halves without cutting, breaking, or distorting.
According to Alfréd Rény and/or Paul Erdos, "A mathematician is a device for turning coffee into theorems." But while being able to pee theorems is way cooler than writing your name in the snow, according to movies, math will drive you insane:
In and the , two quantities are in the if the of the sum of the quantities to the larger quantity is the ratio of the larger quantity to the smaller one. The figure on the right illustrates the geometric relationship. Expressed algebraically:
The prime spiral, also known as Ulam's spiral, is a plot in which the positive integers are arranged in a (left figure), with indicated in some way along the spiral. In the right plot above, primes are indicated in red and composites are indicate...