China and the US are racing for quantum technology breakthroughs in weapons, communications, sensing, and computing that could tilt the balance between the world’s military forces.
Two particles are said to be entangled when one cannot be perfectly described without information about the other being included.
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So far researchers have only been able to control a handful of qubits — the basic units of information in a quantum computer. A new approach could help them control millions at a time.
A man is arrested during a protest against Hong Kong’s National Security Law in July 2020.
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Researchers have found a way to speed up the search for dark matter using technology from quantum computing. By squeezing quantum noise, detectors can now look for axions twice as fast.
Quantum computers may be more trustworthy.
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A paper published by researchers at Google claimed that they had achieved computing quantum supremacy, but leaks and counter-claims have created a stir.
Will quantum computers ever reliably best classical computers?
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Google claims quantum supremacy – IBM says not so fast. One researcher explains why he doesn’t see quantum computers outpacing classical computers any time soon … and maybe not ever.
Close-up on the circuitry of the Vesuvius quantum computer, announced in 2012 by the Canadian firm D-Wave Systems.
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On October 23 Google announced that it built a quantum computer thousands of times faster than classic computers. This could have immense impacts on finance, cryptography and other fields.
Computers were once considered high-end technology, only accessible to scientists and trained professionals. Today, almost everyone has one. Will quantum computing follow the same path?