Quantum computing is a new way of building computers that is based on the principles of quantum mechanics. In classical computing, a bit can only be either 0 or 1, but in quantum computing, a qubit can be both 0 and 1 at the same time, a property known as superposition.
This means that quantum computers can perform certain types of calculations much faster than classical computers. For example, a quantum computer can quickly find the prime factors of large numbers, which is the basis for many modern cryptographic systems.
Quantum computing is still a relatively new field, and there are many challenges that need to be overcome before practical quantum computers can be built. But researchers are making progress, and many believe that quantum computing will one day revolutionize the way we solve problems and process information.