On: Supernova in 1006

[ctoth]

More recently we have the work of Erik Lentz to make these viable with positive energy (a bunch of it AFAIR) using Solitons[0].

The funny thing is there's actually a TNG episode, New Ground, where the crew test a Soliton wave for warp propulsion.

[0]: https://arxiv.org/abs/2201.00652