Though the world has seen rapid quantum computing … Linking qubits together holds … Last year, tech giant IBM announced that it had developed a quantum computer. timeline of quantum computers and the history of quantum computing It was the unorthodox theories of quantum mechanics, born out of the 20th Century, which were later to spawn quantum computing. The threat of quantum computing is now turning into a reality as opposed to a far-away nightmare. The concept of using quantum entities to process data and solve complex problems, much like a classical computer… Google says it has reached a milestone known as quantum supremacy, here are the quantum computing milestones that led to this point.. 1980 – Paul Benioff describes the first quantum … From Feynman to the freezing: the history of quantum computingA classical computer uses binary digits with the two possible states of 1 or 0, a quantum computer uses qubits that can exist in multiple states simultaneously. IBM’s earliest quantum computer was a 20-qubit machine, with in-house computer … So Feynman said: “Quantum mechanical systems cannot be efficiently simulated on conventional computing hardware.” Of course he did that using quite a few more words and a bit more … A classical computer uses binary digits with the two possible states of 1 or 0, a quantum computer uses qubits that can exist in multiple states simultaneously.