On Rantt, Greg Fish explains current technological progress in developing a warp drive. While a feasible functioning spacecraft is still a long way to go, energy requirements have been brought down from "more than the energy of literally everything that exists in the universe" to "69% of America’s annual energy generation." Even with that great progress, there are some minor issues that need to be resolved.
If we can really lower the amount of energy we need to harness it for warp travel by close to 39 orders of magnitude, there are some very pressing and fundamental questions about physics that will have to be raised. And when you mess with the balance of virtual particles, some very strange things will happen involving exotic terms like “information paradox” and “monogamy of entanglement,” resulting in a very special form of radiation created by the warp bubble and affecting its inhabitants, much like what we think has to happen around the event horizon of a black hole.
It may be possible to harness it with the electromagnetic fields that created the bubble to create a feedback loop by which the warp ship can pick up its power as it accelerates, but at some point, this radiation would overwhelm any attempt to contain it and incinerate anything inside the warp bubble. So even in the best-case scenario, actually using a warp drive involves a rather delicate balancing act of enormous energies and forces that White has yet to address. But again, keep in mind that he’s yet to get this far.
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