When I was about 12 (give or take a couple of years), I had what I thought was a fantastic idea. I was going to build myself a volcano. I’m not talking about a little model made out of clay with vinegar and baking soda for the special effects. I wanted to construct a dirt cone in the backyard that was hollow inside and large enough to use as a clubhouse. I was a bit sketchy on the actual structural details, but I figured I’d start by digging a nice big pit, then add some sort of frame and cover it over with the dirt I’d removed previously. So I got an old piece of garden hose and formed it into a circle about 15 feet (5m) in diameter on the lawn to mark the perimeter of the volcano. The actual digging turned out to be a lot harder than […]

Original post by Joe Kissell