Quantum computing is poised to become the next massive technological revolution. Unlike classical computers, which use bits to process information as either 0s or 1s, quantum computers use quantum bits, or qubits. Because of a property called superposition, qubits can represent both 0 and 1 simultaneously. This allows quantum computers to process a vast number of possibilities at the exact same time, performing calculations in seconds that would take traditional supercomputers millennia to solve. The potential applications are groundbreaking. Quantum computing could accelerate the discovery of new life-saving drugs by perfectly simulating molecular structures. It could also optimize complex global supply chains and revolutionize cryptography. However, the technology is still in its infancy. Qubits are highly unstable and require temperatures colder than deep space to function. Overcoming these engineering hurdles will be the defining scientific challenge of this decade.