How Much Energy Would We Need to Power a Time Machine?

There are two theories for time travel that are most popular: wormhole tunneling and cosmic strings. A wormhole is a hypothetical, bi-directional tunnel connecting two space-time locations. Physicist Michio Kaku doesn’t entirely rule this possibility out, but he cautions that powering a time machine to travel in this way is beyond human capabilities right now, and would demand either negative … Continue reading How Much Energy Would We Need to Power a Time Machine?