@Dr_M_Davis Buzz aldrin wrote a good book on solar sails powered by lasers that slingshot around the sun. There are other technologies coming soon too. But we will need normal rocket engine technology to get them into space for now
It's not often that business people genuinely claim victory from apparent defeat. But the attitude of Adam Gilmour, CEO of @GilmourSpace is inspiring. His commentary and attitude as Eris launches, then fails, is fantastic. Watch it here: https://t.co/wpdBiySzAC @SkyNewsAust