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What Is Quantum Computing?
Computing that uses quantum physics to solve some problems far faster.
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AiTechWorlds
AiTechWorlds
Quantum computing uses quantum physics to solve certain problems far faster than classical computers. This visual guide explains qubits, superposition, entanglement, quantum gates, and the real promises and limits of quantum computing.
Computing that uses quantum physics to solve some problems far faster.
Bits are 0 or 1; qubits can be both at once.
A quantum bit that can hold a mix of 0 and 1.
A qubit can be in many states until measured.
Linked qubits share state across distance.
Observing a qubit collapses it to 0 or 1.
Operations that manipulate qubit states.
Explore many possibilities simultaneously.
Some problems shrink from years to seconds.
Factoring, simulation, and optimization.
Could break today’s encryption by factoring fast.
Speeds up searching unsorted data.
Drives new post-quantum encryption.
Qubits are fragile and error-prone.
Qubits lose their state quickly.
Many physical qubits make one stable logical qubit.
It won’t replace everyday computers.
IBM, Google, and others race to scale qubits.
Still early — useful at scale is years away.
Breakthroughs could transform science and security.
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