Quantum Tunneling Composite: An Incredible Leap for Sensors

Imagine a rubbery sheet that behaves like an on-off switch with super-powers. Unpressed, it’s a stubborn insulator. Add the lightest poke, and it suddenly conducts electricity—sometimes a trillion times better than before. That shape-shifting marvel is the quantum tunneling composite (QTC), a mix of flexible polymer and microscopic metal particles that exploits quantum mechanics to “hear” pressure.

2. How Quantum Tunneling Does the Heavy Lifting

Inside...