Physics

Why solid matter is 99% empty space

When we lean on a wooden table, press our feet against the floor or stub our little toe on the corner of the bed, our senses give us one certainty: matter is solid, compact and full. Yet modern physics shows us that this certainty is an illusion of our minds. At the atomic level, everything we touch, including our own bodies, consists almost entirely of nothing. If that is the case, why can we not simply walk through a wall or pass our hand through a table? The answer lies in the invisible forces governing the quantum world. Let us…