Quantum mechanics forms the foundation of future technologies through three key principles. Superposition allows particles to exist in multiple states simultaneously, enabling quantum computers to process vast amounts of information. Entanglement creates instantaneous connections between particles regardless of distance, making ultra-secure communications possible. Wave-particle duality reveals that matter behaves as both waves and particles, opening new possibilities in sensing and measurement technologies.
Quantum computing represents a revolutionary leap from classical computation. While classical bits exist as either zero or one, quantum bits or qubits can exist in superposition, being both zero and one simultaneously. This enables quantum computers to process multiple possibilities in parallel through quantum gates. The result is exponential speedup for specific problems like cryptography, optimization, and simulation, making quantum computers millions of times faster than classical computers for certain tasks.