A startup in the UK is now offering cloud-based access to its own superconducting quantum computer – but with a twist that it hopes could one day help it compete against the processors developed by quantum giants such as IBM and Google.
Oxford Quantum Circuits (OQC), a startup that spun out of the University of Oxford, is approaching superconducting quantum computing slightly differently. Leading superconducting quantum systems are typically built in a two-dimensional plane, with each qubit acting like a unit cell that requires intricate wiring for controls and measurements. Increasing the number of qubits means increasing the amount of wiring – and on a 2D plane, this comes with a higher risk of creating environmental noise that can damage the quality of the system.
Instead, OQC's researchers use a three-dimensional architecture that moves the control and measurement wiring out of plane. With key componentry off-chip, says OQC, the superconducting quantum processor is a more flexible and engineerable system.
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The UK tax department has seized three non-fungible tokens (NFTs) as part of an investigation into a suspected VAT fraud scheme involving 250 fake companies.
HM Revenue and Customs said on Monday it had seized the NFTs and arrested three people on suspicion of attempting to defraud it out of £1.4m. It is the first time a UK law enforcement agency has seized an NFT.
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