It's not really science fiction since there are scientists working on it right now, because capitalism is the brake of development. I would invest on photonic computer research, that would help advancement of society in all aspect.
I read an ieee paper a few years ago that went into why photonic computing failed and why it won't ever succeed.
The problem is that photons are fat compared to electrons so circuits couldn't be made as small as they are already today. When cmos was 500 nm and researchers weren't sure if things could be made smaller, photonics made sense. But now they're at 3nm process (yes it is a marketing label, but pitch is 24 nm ) . Visible light has a wavelength of 400nm. The wave function of a photon would smear across circuits that small.
Intel presented photonic data bus between chips couple of months ago so I don't think compute would be useful other than quantum stuff.
Being able to photosynthesize. It wouldn't be that hard either, we already can, just not to make food.
Cybernetics hands down.
Matter transporters for work and holodecks for play.
Replicator. But that kinda seems impossible so that Black and Decker rehydrator thingy from Back to the Future II.
I would stay in relatively achievable things like a sugar fuel cell or microbial food production. Things we don't quite have yet but not do to the knowledge not being there.
Asklemmy
A loosely moderated place to ask open-ended questions
If your post meets the following criteria, it's welcome here!
- Open-ended question
- Not offensive: at this point, we do not have the bandwidth to moderate overtly political discussions. Assume best intent and be excellent to each other.
- Not regarding using or support for Lemmy: context, see the list of support communities and tools for finding communities below
- Not ad nauseam inducing: please make sure it is a question that would be new to most members
- An actual topic of discussion
Looking for support?
Looking for a community?
- Lemmyverse: community search
- sub.rehab: maps old subreddits to fediverse options, marks official as such
- !lemmy411@lemmy.ca: a community for finding communities
~Icon~ ~by~ ~@Double_A@discuss.tchncs.de~