Right Side Up

Set a beetle or a turtle on its back and it will right itself.
Remarkably, so will the Gömböc — a mathematical shape that can’t be knocked down. Set it down in any position and it will always “get to its feet”:
An idler's miscellany of compendious amusements

Set a beetle or a turtle on its back and it will right itself.
Remarkably, so will the Gömböc — a mathematical shape that can’t be knocked down. Set it down in any position and it will always “get to its feet”: