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Physics

Vibrational Energy

Quick fact

Even at absolute zero, molecules retain a minimum amount of vibrational energy called zero-point energy, a purely quantum mechanical effect.

Why this is interesting

Ever wonder why a hot object glows red, or how a microwave heats food without touching it? The answer lies in tiny, constant vibrations—the hidden dance of atoms that holds the key to temperature, light, and even the warmth of a summer day.