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Microsoft under fire for claiming it has a new quantum computer

Researchers have criticised Microsoft's new Majorana 1 quantum computer, saying the company has made claims about the way it works that aren't fully backed up by scientific evidence

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The critical computer systems still relying on decades-old code

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The critical computer systems still relying on decades-old code

Features

Shock discovery tears up the rules of time and space inside a computer

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Shock discovery tears up the rules of time and space inside a computer

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AI can decode digital data stored in DNA in minutes instead of days

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Microsoft has a new quantum computer – but does it actually work?

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China launches hunt for ways to protect data from quantum computers

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Competition opens to find the world's most perplexing computer code

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Quantum computer circuitry illustration. Conventional computers store information as 'bits', with each transistor holding either a 1 or a 0. Quantum computers use quantum bits, or qubits, which operate according to two principles of quantum physics. One of the principles, supposition, allows a qubit to store a 1 and a 0 at the same time. This means two qubits can hold four values at once. The second principle, entanglement, means that the state of one qubit can depend on the state of another. As you expand the number of qubits, the machine becomes exponentially more powerful.

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Why AI firms should follow the example of quantum computing research

Leader

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Cybersecurity experts fear Elon Musk's DOGE may enable quantum hackers

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Why quantum computers are being held back by geopolitical tussles

Fears that other nations could gain an advantage are holding back the development of quantum computers, with export controls and other restrictions making it harder for researchers to work across borders

Analysis

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Quantum computers have finally arrived, but will they ever be useful?

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How PsiQuantum plans to build world's largest quantum computer by 2027

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Is Elon Musk's DOGE going to break decades-old US government software?

Analysis

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Explore what shaped Bill Gates in part one of his autobiography

Culture