In quantum mechanics, the "tiny parcels" referred to are particles such as electrons, protons, and photons, which are the building blocks of matter and energy. These particles are so small that they cannot be seen with the naked eye, and their behavior often defies our classical intuition.

For example, according to quantum mechanics, particles can exist in multiple states or locations simultaneously, a phenomenon known as superposition. Additionally, the act of measuring a particle's properties can change the particle's behavior, a concept known as the observer effect.

Quantum mechanics also deals with the wave-like nature of particles and the probabilistic nature of their behavior, which can be described using mathematical equations such as Schrödinger's equation and the wave function.

Overall, quantum mechanics seeks to provide a framework for understanding the behavior of these tiny particles and how they interact with each other and with their environment.
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