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Many have tried and failed to build a perpetual motion machine. That device remains impossible, but physicists now say they’ve built a genuine “time crystal” inside a quantum computer that forever cycles between states without burning energy. (Thread) quantamagazine.org/first-time-cry
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Amazing and terrifying. That's what the entry for Earth should have read in the Hitchhiker's Guide.
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Powerful technologies are arriving faster and faster Our ability to integrate/manage them safely/stably into society is not increasing to match this This is how we end up with new, currently unknown catastrophic risks. And why I think civilizational resilience plays are the way
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gee, I woke up sweating over CP-violating 2D topological magnons opening forbidden resonance modes when traversing mode-phase-spin coupled skyrmionic pairs at a distance(a toy model of a classically violating heat sink) and I hadn’t even seen this paper yet