Antigravity interrupter

The antigravity interrupter or A-G interrupter was an advanced technological device developed in the 23rd century.

The device projects a “block of energy” between the target and the strongest nearby source of gravity, effectively nullifying the gravity around the target. Aboard Research Satellite-5, a Federation space station, the device was built in a cylindrical room and was made up of at least two very large pieces of equipment. It was used to levitate Montgomery Scott during a demonstration of the technology.