> Essentially, an Alcubierre drive would expend a tremendous amount of energy—likely more than what’s available within the universe—to contract and twist space-

> Essentially, an Alcubierre drive would expend a tremendous amount of energy—likely more than what’s available within the universe—to contract and twist space-time in front of it and create a bubble. What does this actually mean? We’d have two giant Tesla coils buzzing with a universe worth of electricity? Giant magnets? Super space lasers?