Google officially lays claim to quantum supremacy

Google officially lays claim to quantum supremacy

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A quantum computer reportedly beat the most powerful supercomputers at one type of calculation. Google researchers report that their quantum computer, Sycamore, has performed a calculation that can’t be achieved with any classical computer. The quantum chip (shown) must be cooled to near absolute zero to function.

For the first time, a quantum computer has solved a problem that can’t be performed by a standard computer — at least not within a reasonable amount of time — Google announced October 23. This milestone, known as quantum supremacy, is a long-anticipated step toward useful quantum computers.

The researchers performed the task with a chip consisting of only 53 qubits, the quantum version of the bits found in everyday computers. “It’s fascinating that we can do something so powerful with such a small chip,” says quantum physicist Mária Kieferová of the University of Technology Sydney, who was not involved with the study.

But don’t expect quantum computers to suddenly take over. The calculation Google’s quantum computer performed was not a particularly useful one. Instead, the task at hand was one that was designed to play to quantum computers’ strengths and to be difficult for a nonquantum, or “classical,” computer.

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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