Scientists Create Living Computers Powered by Mushrooms

Researchers at The Ohio State University have shown that common edible mushrooms like shiitake can be grown and trained to work as organic computer memory. In the study, the fungi acted as memristors, electronic components that process and store data by remembering past electrical signals.

After being grown, dehydrated, and connected to electronic circuits, the mushroom-based devices behaved similarly to traditional chips. When used as RAM, they were able to switch electrical states at up to 5,850 signals per second with about 90% accuracy. Like a real brain, performance improved when more mushrooms were added to the circuit.

Because fungi are biodegradable, inexpensive to grow, and don’t depend on rare earth materials, researchers say mushroom-powered electronics could offer a low-energy, environmentally friendly path for future computing.

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