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Quantum computing harnesses the principles of quantum mechanics to process information in fundamentally different ways than classical computers. Instead of bits that are either 0 or 1, quantum computers use qubits that can exist in multiple states simultaneously through a property called superposition.^[1]

This allows quantum computers to explore many possible solutions at once. Combined with entanglement — where qubits become interconnected — quantum machines can solve certain problems exponentially faster than classical computers, including cryptography, drug discovery, and optimization.^[2]

Current quantum computers, like those built by IBM and Google, use superconducting circuits cooled to near absolute zero. While still error-prone, recent breakthroughs in error correction are bringing practical quantum computing closer to reality.^[3]