Look at em drive. A nonsense device that caused a LOT of people to become very good at Torsion Pendulums. Was fastening to watch ever improving builds as peopl

Look at em drive. A nonsense device that caused a LOT of people to become very good at Torsion Pendulums. Was fastening to watch ever improving builds as people tried to prove/disprove. Did em drive work out, no. But a lot did come out of the effort.