Thanks for the heads up on “memristor”. Interesting deice... Imagine the problems “backing up” that kind of machine?
Of course other cool ideas have came out of HP-Labs that sounded exciting and yet fizzled. Remember the bubble memory. It was going to change the world... but it didn’t. Though I had an opportunity to play with it on a project in the lab.
Re "backing up" memristor, indeed it would be interesting challenge. I assume it would be done with much faster carrier/transport technology, something optical / photonic / quantum or something as "mundane" as T-Rays once they tame electromagnetic Terahertz Radion - University of Utah waveguides bridge 'terahertz gap'
Science and scientists mostly renew my faith in humanity, while politics and politicians usually keep ruthlessly removing it.