Flying cars not existing has everything to do with the resources they use (public federally controlled airspace which requires every driver to be a pilot.)
Quantum computers have the same barriers as other private space technology. The question to me is how long they will take to go from research toys to hobby toys which has a lot to do with cost and something to do with consumer safety.
Quantum computers have the same barriers as other private space technology. The question to me is how long they will take to go from research toys to hobby toys which has a lot to do with cost and something to do with consumer safety.