When we observe the world in our daily lives, everything seems logical and predictable: if we throw a ball, it will fall back down; if a car moves, it has a specific speed; an object always has a specific location. This is the world of classical physics — the reality described by Newton’s laws.

But when we move to very small scales — to the level of atoms and elementary particles — everything changes.

In the quantum world, particles do not behave like little balls. They can be in several states at once. An electron may not have a specific location until we measure it. Sometimes it behaves like a particle, sometimes like a wave.

This strangeness is not a theoretical fantasy — it is an experimentally confirmed fact.

For example, the famous “double slit experiment” shows that the same particle can behave as if it were moving in two paths at the same time. This is impossible according to classical logic. But in quantum physics — it is normal.

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