We can diagnose an object’s quantumness from the way it radiates heat

To determine an object’s quantum properties, you may only need to measure how it exchanges heat with its environment, without touching the object itself

​To determine an object’s quantum properties, you may only need to measure how it exchanges heat with its environment, without touching the object itself To determine an object’s quantum properties, you may only need to measure how it exchanges heat with its environment, without touching the object itself