How to Create an Automatic Lawn Mower That’ll Mow the Lawn for You

You don’t even need to buy a Roomba lawn mower, all you need to do to rid yourself from the chore of mowing lawns is to make the lawn mower mow itself. How? Be like this guy who strapped his self-propelled lawn mower with rope to a stake in the middle of the yard. The lawn mower ingeniously mows the lawn in smaller spirals as the rope wraps around the wooden stake.

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The Mathematically Most Efficient Way to Sort Socks

Computer scientists around the world have been stumped by a vexing mathematical problem for ages: How does one go about sorting a large pile of socks when said socks are different? How does one model the plane of possibilities? The solution has arrived, and it’s much simpler than you think. More »