This week’s edition of science journalthe modestly titled paper, “Quantum supremacy using a programmable superconducting processor.” But it represents a major milestone in the quantum computing industry and for Google in particular. The paper demonstrates a quantum computer solving a problem, for the first time, significantly faster than a classical computer could.
In a blog post published today, Google CEO Sundar Pichai likened this moment to “the first rocket that successfully left Earth’s gravity to touch the edge of space,” stating “[t]hat’s what this milestone represents for the world of quantum computing: a moment of possibility.” Google achieved this milestone with its new quantum chip that it’s dubbed “Sycamore.” This is a 54-qubit chip built on a superconducting architecture. The quantum computer takes advantage of a principle of quantum mechanics called “entanglement.” Which means that while a classical computer bit is binary—it exists as “zero” or “one”—a qubit is able to take advantage of a phenomenon known as entanglement to produce a quantum superposition.
The problem is that entanglement is a very delicate process—small environmental changes can impact them, making errors and noise a problem in quantum computing. This is why Google, IBM and others have made quantum chips that operate using superconductors at near absolute zero in an attempt to preserve these fragile entanglements.
In this particular experiment, Google’s researchers were able to connect 53 of Sycamore’s qubits and use them to detect patterns in large, seemingly random numbers. Its computer was able to solve this problem in about 3 minutes and 20 seconds, and the research team calculated it would take 10,000 years for a classical computer to solve the same problem.
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Apple tim_cook must one up Google, with Quantum ARM or RISC-V CPUs, GPU and XCode Quantum ARM or RISC-V Macs, Apple friends:-) Arm risc_v riscvjp
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