>>11766650>>11766650We will be biologically "immortal", for the most part, when the rate of our increase in lifespan from medical innovation becomes equal to the speed at which time passes. We could also figure out to copy and emulate existing human brains, if you consider a copy of you to also be you. Both of these things are far away, but not more than a few hundred years in the future.
Omniscience is kind of a silly concept. What do people even mean when they talk about it?