On Fri, May 20, 2016 at 10:36:33AM -0400, Jeffrey Schwartz wrote:
> On Fri, May 20, 2016 at 9:58 AM, Tim <xxxxxx@little-possums.net> wrote:
> > According to current theories, if tachyons were to exist, they would
> > always have less kinetic energy than photons of the same momentum.
> > In some cases, even zero or negative.
>
> Negative.
> Hmm.
>
> Don't the Alcubierre drive equations get easier to put into
> engineering if you have "negative energy"/"negative mass" to play
> with?

Last I looked, they were only possible with negative energies.  So
yes, that would make it easier.

- Tim