I just saw this neat blog post about Conway's Game of Life projected into three dimensions. You can download the script and play around with it yourself!

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What does it mean to create life in a computer? In 1970, John Conway built a simple computer game where a user decides which boxes in a grid are populated and then hits start, letting the computer "evolve" depending on the initial conditions. Each "cell" of the grid can be "alive" or "dead" and has…

Here is a picture of (I think) Maru the cat playing in a bag. He loves bags.
Here is the same picture of Maru, at half the size:
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Pretty much every high school student can quote the formula for the area of a circle: it's A = pi r^2, where r is the radius. Most of them can do the same thing for the volume of a sphere: V = 4/3 pi r^3.
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