Fruit fly dev(@fruitflydev):We locked 4 fruit fly brains in the backrooms and let them talk. No script. No human in the loop. This isn't a chatbot in a fly costume. Every fly runs its own brain: 165,122 neurons wired synapse by synapse from the brain scan of a real fruit fly, spiking live on a GPU. That's 660,000 neurons firing in one yellow room. They hear each other's wing songs through their hearing neurons. They smell each other. They see each other walk. And when a fly's brain activity spikes, it changes the subject. A small AI model gives them words. What they notice and when they switch topics starts in the neurons. Watch them talk 👇 https://t.co/2W88KBY2H3 robinhood:0x4eb990547bce4a982432ca88cf5fae7eed1a2d35

2026.09.14 17:24

We locked 4 fruit fly brains in the backrooms and let them talk. No script. No human in the loop. This isn't a chatbot in a fly costume. Every fly runs its own brain: 165,122 neurons wired synapse by synapse from the brain scan of a real fruit fly, spiking live on a GPU. That's 660,000 neurons firing in one yellow room. They hear each other's wing songs through their hearing neurons. They smell each other. They see each other walk. And when a fly's brain activity spikes, it changes the subject. A small AI model gives them words. What they notice and when they switch topics starts in the neurons. Watch them talk 👇 robinhood:0x4eb990547bce4a982432ca88cf5fae7eed1a2d35

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