[AR] Re: NASA test of quantum vacuum plasma thruster (was "Anyone heard of this?")
- From: Steen Eiler Jørgensen <steen@xxxxxxxxxxx>
- To: arocket@xxxxxxxxxxxxx
- Date: Sun, 03 Aug 2014 10:23:40 +0200
Den 03-08-2014 02:09, Ian Woollard skrev:
> There's essentially no chance that a thruster can work where you turn
> it on, feeding only electricity through it, and with nothing leaving
> it; where you switch it off, and you're now moving faster. This is
> what the emdrive is claimed to do.
Please define "nothing". Photons (e.g.) have no mass, but nonzero momentum.
/steen
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