the scenario she already knew from the hovering engine creation repeated itself a few times in the case of plastglass , artificial gravity for space shuttles , protection from cosmic radiation , breaking down the genetic make-up of germs that were found on titan in 2092 , and finding a way to neutralize them before they wiped out earths population ... and finally , creating mind-reading computers and idatrons some mortal and immortal versions were nearly perfect carbon copies of the same story , except for the names of mortal scientists that mysteriously disappeared from the official and verified immortal media .