What are the technologies being envisaged for future generation of computers?

en·vis·age
verb
contemplate or conceive of as a possibility or a desirable future event.
"the Rome Treaty envisaged free movement across frontiers"
synonyms: imagine, contemplate, visualize, envision, picture; More
form a mental picture of (something not yet existing or known).
"he knew what he liked but had difficulty envisaging it"
www.google.com/search?q=define+envisage

I never heard the word before, so the first thing I do is look up the definition, just to be sure I know what you are saying. It is amazing how many people talk without knowing what they are saying.

It is somewhat unusual for the human mind to envisage something that hasn't been invented yet. Predictions are, without exception, extensions based on what is already known. For example, the early predictions of a wrist mounted computer included a CRT monitor, full keyboard, and a tiny floppy disk:
time.com/60505/this-1981-computer-magazine-cover-explains-why-were-so-bad-at-tech-predictions/