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Somewhere in Melbourne, Australia, there's a computer that needs to be fed, kept warm, and cleaned every few days. If you stopped taking care of it, it would die. That's not a metaphor. It's built from real, living human brain cells.
It's called the CL1, made by a company called Cortical Labs. Each one contains about 200,000 real human neurons, grown in a lab from ordinary blood donations and placed directly onto a silicon chip. The neurons and the chip talk to each other with tiny electrical signals, the same way real neurons talk to each other inside your own head.
Here's the part that made me stop scrolling. These neurons have already learned to play video games. First it was Pong, a simple game where you move a paddle up and down. Then, more recently, a team taught the same living cells to play Doom, a full 3D game where you explore rooms and fight enemies. There's no screen and no eyes involved. The game gets turned into patterns of electrical signals the neurons can respond to, and the neurons slowly learn, through trial and error, what actions lead to a better outcome.
The company's own scientists describe the cells as playing "like a beginner who's never seen a computer," which, as they point out, is completely true. These cells have never seen anything. They're learning entirely through electricity and feedback, the same basic idea behind how a baby's brain wires itself through experience.
Here's a fact that genuinely surprised me: a single one of these living chips uses about 30 watts of power. A typical AI chip used in today's massive data centers can use around 6,000 watts. That's not a small difference, that's roughly 200 times less energy, using cells instead of circuits.
This isn't staying a lab experiment either. In 2026, Cortical Labs opened a "Bio Data Centre" in Melbourne with 120 of these living chips working together, and they're building another in Singapore. The company calls the idea "Synthetic Biological Intelligence," and the entire motivation is simple: today's AI data centers use enormous amounts of electricity and water to stay cool, and this could be a radically more efficient alternative, if it can ever be scaled up to do real, useful work.
And that's the honest, uncertain part of this story. Right now, nobody has proven these living computers can actually keep up with the raw power of a modern AI chip. The cells only survive for a few months before needing to be replaced. Feeding and maintaining living tissue is messy and slow compared to just plugging in a silicon chip. This is very early, and very experimental.
But here's why I can't stop thinking about it anyway. For decades, every computer we've built has been separate from life, something we assembled out of metal, sand, and electricity. This is the first time a company is selling something that blurs that line completely, a device that is, quite literally, part alive.
Here's the fact I'll leave you with: the human brain, with its roughly 86 billion neurons, still uses less energy than a single lightbulb to do things no supercomputer on Earth can fully replicate. These lab-grown chips, with just 200,000 neurons each, are humanity's very first, clumsy attempt at borrowing that same trick. For further actions, you may consider blocking this person and/or reporting abuse
Somewhere in Melbourne, Australia, there's a computer that needs to be fed, kept warm, and cleaned every few days.