Telling Time on a Torus
What shape do you most associate with a standard analog clock? Your reflex answer might be a circle, but a more natural answer is actually a torus. Surprised? Then stick around.
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The Assassin Puzzle
Can you save the target from his assassin in a square room with bouncy walls?
Instant Insanity Puzzle
Can you stack four colored cubes so that each color only shows once on each side?
Defining Infinity
Set theory is the foundation of all of mathematics. How does it handle infinity?
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