Dammit, Warren, we don’t need you spreading pseudoscience along with everybody else. The Heim theory “spacedrive” is a total crock. Remember, this is the nonsense which John Baez called “a run-of-the-mill crackpot theory” and of which Sean Carroll said,
Just so nobody gets too excited â€” this paper is complete nonsense, not worth spending a minuteâ€™s time on. If I find the energy I might post on it, but this is no better than the other hundred crackpot preprints I get in the mail every year.
New Scientist has a lot to answer for.