Asger Risom
As the tech industry grapples with an exploding e-waste crisis, researchers are successfully building functioning computer components out of edible mushrooms. By harnessing the natural electrical networks of fungal mycelium, scientists are creating energy-efficient memory chips and fully compostable circuit boards. This shift toward biodegradable, organic electronics could eventually replace toxic silicon and completely change how we manufacture hardware.
The tech industry has a massive trash problem. Every time you upgrade your phone or laptop, the old silicon and toxic heavy metals end up sitting in a landfill for centuries. The artificial intelligence boom is only making this e-waste crisis worse.
As data centers consume more electricity and burn through hardware, researchers are desperately looking for sustainable alternatives to traditional silicon. It turns out the answer might be sitting in the produce aisle. Scientists are now turning common edible fungi into functioning computer components.
Instead of mining rare earth metals, engineers are literally growing biodegradable circuit boards and memory chips in a lab. This weird blend of biology and computing is called fungal electronics. It sounds like science fiction, but it is actually a practical solution to a very real environmental disaster.
How to train a mushroom
The root-like structure of a fungus is called mycelium, and it operates a lot like a biological internet. In nature, these underground networks constantly send electrical signals to adapt to their environment and share resources. Researchers realized they could harness that natural conductivity to process digital information.
A 2025 study from The Ohio State University successfully turned shiitake mushrooms into organic memristors. A memristor is a specific type of data processor that remembers its past electrical state even when the power is turned off. By hooking electrodes directly into the fungal network, the team trained the mycelium to store and process data.
What makes this so remarkable is how closely it mimics human neural activity. The fungi process information using a fraction of the electricity required by a standard metal semiconductor. It is a biological computing architecture that is inherently designed to be energy efficient.
The compostable motherboard
Processing data is only half the battle, because those organic memory chips still need a physical circuit board to sit on. Traditional circuit boards are made from fiberglass and epoxy resins that are nearly impossible to recycle. To fix this, a team of European researchers developed an alternative using mushroom skin.
As detailed in a breakdown of sustainable computing by Intelligent Living, scientists created a flexible, durable electronic substrate grown entirely from fungal mycelium. They treated the organic material to withstand the extreme heat needed to solder electrical components onto it. The resulting circuit board performs just as well as standard plastic versions but with a massive environmental advantage.
When a fungal device reaches the end of its life, you do not have to throw it in the trash. You can simply remove the valuable metal components and toss the remaining mycelium board into a compost bin. The material safely biodegrades back into the soil in just a few weeks.
Shipping dry hardware to space
The idea of a living computer sounds incredibly fragile, but these fungal networks are surprisingly resilient. You do not need to constantly water your laptop to keep the processor alive. The Ohio State team discovered that their organic memristors retain full functionality even after being completely dehydrated.
This means you can manufacture fungal chips, dry them out for long-term storage, and easily ship them across the globe. Once they arrive at their destination, you simply rehydrate them to reactivate their computational abilities. This unique survival trait has already caught the attention of aerospace engineers.
The space industry is actively looking into using dehydrated fungal chips for long-haul missions. Because shiitake mycelium naturally resists radiation, these biological components might actually survive the harsh environment of orbit better than standard silicon. The future of high-tech computing might just involve farming mushrooms in outer space.
