The first real brain upload just happened — and it might be the strongest evidence yet that simulation theory isn’t just philosophy anymore. A startup called Eon Systems copied a complete biological brain (139,255 neurons, 54 million synapses) into a physics simulation, and the digital fly started walking, grooming, and feeding on its own. No training. No AI. Just the copied wiring on a laptop.
We break down how they did it, why a billion euros in previous brain simulation projects failed, what Nick Bostrom’s simulation argument actually says, and why a fruit fly on a laptop just moved the needle on whether our own reality could be simulated. We also look hard at the limitations — this work is not yet peer reviewed — and what it would actually take to scale this to a human brain.

Eon Systems announcement: https://theinnermostloop.substack.com… model paper: Shiu et al. (2024) Nature 634 — https://www.nature.com/articles/s4158… FlyWire connectome paper: Dorkenwald et al. (2024) Nature 634 — https://www.nature.com/articles/s4158… #simulationtheory #brainupload #consciousness.
Brain model paper: Shiu et al. (2024) Nature 634 — https://www.nature.com/articles/s4158…
FlyWire connectome paper: Dorkenwald et al. (2024) Nature 634 — https://www.nature.com/articles/s4158…

#simulationtheory #brainupload #consciousness