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Quantum computing uses quantum mechanics in quantum computers to solve a diverse set of complex problems. It uses qubits to store information in parallel dimensions. Quantum computers can work through a solution involving large parameters with far fewer operations than a standard computer.
As they have potential to work through and solve complex problems of tomorrow, research and work on this area is attracting funding from everywhere. But these computers need a lot of physical space right now, kind of like the very first computers in the twentieth century. Quantum computers also pose a security threat since they are good at calculating large items/numbers. Quantum encryption anyone?
Quantum computing is even available on the Cloud from different companies. There is even a dedicated language called Q# by Microsoft. Using concepts like entanglement to speed up computation, quantum computing can solve complex problems and is a tricky one, but I call it a treat. What about the security threat? Well, Dr. Alan Turing built a better computer to decrypt messages from another machine, we’ll let you think now.