One of my customers makes 80% of the ballasts for light bulbs around the world.

FORBES: Hard Drive Production Fall Could Hit PC Shipments

The Cross Country lights manage to squeeze the ballasts into their 2-inch-diameter housing.

MSN: Motorcycle gear gets touch of science fiction

As it falls, it ejects two tungsten ballasts, a hundred and sixty-five pounds each, which tilt it backward to create lift.

NEWYORKER: The Martian Chroniclers