Swiss Lab Unveils Brain-Powered Computers Using Mini Human Brain Organoids, Researchers Say No Need to Fear This New Tech

A new BBC report has revealed insights into a Swiss laboratory where researchers are pioneering the development of computers powered by mini human brains, known as brain organoids. The lab, operated by the company FinalSpark, has been at the forefront of biocomputing, offering remote, 24/7 access to its organoid-based bioprocessors for as little as $500 per month. Brain organoids are tiny, lab-grown clusters of neurons derived from human stem cells. Unlike full human brains, they are simplified structures composed of a single type of neural cell, mimicking only a portion of the brain’s complexity. The process begins with skin cells reprogrammed into stem cells, which are then cultured into neural clusters that develop into organoids. During the BBC visit, reporter Kleinman handled petri dishes containing small, white, orb-like organoids, described as being roughly the size of a grain of rice. These organoids are placed on microelectrode arrays (MEAs), which allow researchers to monitor their electrical activity. The data collected resembles EEG readings, providing a real-time view of how the organoids respond to stimuli. Input is delivered through electrodes, and responses are visualized on graphs—essentially turning the organoid into a living, responsive computing unit. Despite the organic nature of the technology, scientists involved stress that these organoids are not conscious. They are, in their view, computational systems made from biological material. One researcher told Kleinman, “We shouldn’t be scared of them. They’re just computers made out of a different substrate of a different material.” This sentiment reflects the team’s effort to frame the technology as a tool rather than a sentient being. A major challenge remains in sustaining organoids over time. Without a vascular system to deliver nutrients and oxygen, organoids typically survive only about four months. Researchers have observed a burst of electrical activity in the final moments before an organoid deteriorates—leading to philosophical questions, but not to concerns about suffering. Scientists maintain that these biological units lack the complexity needed for awareness or experience. While still in early stages, the potential applications of biocomputing are broad. FinalSpark’s platform is currently used primarily for research into how biological systems can process information. Other labs have demonstrated organoids playing simple games like Pong, showing their ability to respond to basic commands. Beyond computing, organoids are also being used in drug testing for neurological disorders such as Alzheimer’s and autism. The long-term vision for wetware—biological computing—is not to replace silicon chips, but to complement them. Proponents believe organoids could one day offer unmatched efficiency and speed for certain AI tasks, particularly those involving pattern recognition and adaptive learning. However, the exact role of biocomputing in the future remains uncertain. Researchers are still exploring what unique problems it might solve and where it could outperform traditional hardware. For now, the technology remains experimental, but the idea of using mini brains as processors is gaining traction—blending biology, computing, and ethics in ways that challenge our understanding of intelligence and machines.