Only slightly related, but are there news on the concept of not taking the energy necessary along at all? https://en.wikipedia.org/wiki/Beam-powered_propulsion

Only slightly related, but are there news on the concept of not taking the energy necessary along at all? https://en.wikipedia.org/wiki/Beam-powered_propulsion https://en.wikipedia.org/wiki/Beam-powered_propulsion This was hyped for a time, but then silence returned. Anyone got insider infos?