9th century AD: Gunpowder. Bit of a game-changer, that one.
19th century: Eureka! The light bulb!!
20th century: The automobile, television, nuclear weapons, space craft, Internet.
21st century: Biotech, nanotech, fusion and fission and M-theory -- and that was just the first decade.
We are now three months into the year of our Lord, 2023. At this moment in our civilization, we can create cybernetic individuals who, in just a few short years, will be completely indistinguishable from us. Which leads to an obvious conclusion: We are the gods now.