I remember that.
I wonder if they tried spinning in both directions.
Be interesting if, instead of weighing more, it was pushing itself through gravity like a propeller through water and turning in the opposite direction would make it weigh less.
Boyd Bushman placed two very strong magnets North to North and then placed them in a ball. He dropped them and a second ball the same size from the fifth floor of a bldg. at McDonald Douglas in Texas. The magnet holding ball arrived AFTER the non-magnet but otherwise identical ball.