"The manipulation of physical constants in localized areas to stabilize traversable wormholes between parallel universes caused by curving spacetime during quantum tunneling."

For a human to have gotten so far in their understanding of the physical universe is surprising, to say the least. Where he came from, they hadn't even managed a complete unified theory yet, nevertheless the ability to traverse between universes at will. They hadn't even managed the technology to get out of their own galaxy.

"I'm familiar with the concept."