Imagine a world where the homes we live in, the clothes we wear, and even the sensors in our electronics weren’t manufactured, but grown. Mycelium, the root structure of fungi, is shaking up everything from sustainable construction to meatless bacon. It’s turning agricultural waste into walls, hemp into compostable packaging, and fungal threads into leather that even luxury brands are eyeing. This mushroom material is set to insulate the façade of a 300-unit housing project in California. And now, innovators are swapping out the sensors of robots for the electrical pulses of living mycelium. So, how long until mycelium is just as ubiquitous as wood, metal, and plastic?