[quote=@whizzball1]
<Snipped quote by Techspert>

It has so many great properties! A big push in space travel happening in some Earth universes right now is to use microwaves instead of rocket fuel for propulsion. True, some societies are way past that, but it's still cool to see budding civilisations making great progress.
[/quote]

Of course, there are much more efficient ways of doing it.