Researchers have come up with a way to generate truly random numbers using quantum mechanics. The method uses photons to generate a string of random ones and zeros, and leans on the laws of physics to prove that these strings are truly random, rather than merely posing as random.
Source: newatlas.com
Schrödinger’s famous thought experiment has come to life in a new form because quantum researchers are at the cusp of a long-sought accomplishment: creating a quantum computer that can do something notraditional computer can match. They’ve spent years battling naysayers who insisted that a quantum computer was an unachievable sci-fi fantasy, and nowthese researchers are finally beginning to indulge in some well-deserved self-congratulation.
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If a quantum processor can be operated with low enough error, it would be able to outperform a classical supercomputer on a well-defined computer science problem, an achievement known as quantum supremacy. These random circuits must be large in both number of qubits as well as computational length (depth). Although no one has achieved this goal yet, we calculate quantum supremacy can be comfortably demonstrated with 49 qubits, a circuit depth exceeding 40, and a two-qubit error below 0.5%.
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That was the message of the Q Summit, a one-day meeting of quantum computing researchers, investors, and entrepreneurs hosted by IBM in Menlo Park, Calif., last week.
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