A jump lasts six seconds here, and the ceiling that lights the room pays for every one of them.
An artistic imagining, rendered procedurally, of a pressurised lunar sports hall where the grid pays for the game: forty nested rectangle lamp bays light the court from a ceiling of busbars, a switchgear bank and a glowing radiant strip hold the room at temperature, and nine suited figures hang in one sixth gravity a long way above their own shadows. Lunar gravity really is about one sixth of Earth's, so the same take off gives roughly six times the hang time, but no such hall exists.Image: poweringspace.com. Artistic imagining.