Traditional circuit board substrates typically consist of fiberglass and epoxy resin, which pose significant recycling challenges and are nearly impossible to biodegrade. In a groundbreaking development, scientists from Germany have introduced an environmentally friendly option: a material derived from fungal biomass produced during citric acid manufacturing. Instead of being thrown away, the mycelium waste sourced from the fungus Aspergillus niger is compressed and dried, resulting in a dense substance that resembles plastic. Researchers have successfully created a working prototype of a circuit board by applying conductive traces to its surface, allowing for the soldering of electronic components. Once the gadget is no longer needed, the mushroom-based substrate can either be composted or soaked in water to facilitate the separation of transistors and other components for reuse. This innovative material's production is estimated to have a carbon footprint that is roughly half that of traditional circuit board substrates. However, it is important to note that, at this time, the technology is not suitable for use in smartphones or computers due to its water absorption and inferior electrical properties compared to industrial options. Instead, it is more appropriate for simple sensors, toys, household gadgets, and prototypes—items that often contribute to electronic waste. Would you consider purchasing a device featuring a circuit board made from mushrooms?
Informational material. 18+.
