Whether lightning rods should have rounded or pointy ends became a point of contention between rebellious Americans and King George III.
Whether lightning rods should have rounded or pointy ends became a point of contention between rebellious Americans and King George III.
Steve Mirsky
Steve Mirsky has been writing the Anti Gravity column since a typical tectonic plate was about 36 inches from its current location. He also hosts the Scientific American podcast Science Talk.
Credit: Nick Higgins
