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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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Physics

Quantum disorder is dependent on who is looking for it

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Physics

Light has been transformed into a 'supersolid' for the first time

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Physics

Why exactly is the quantum world so weird?

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Physics

Time can move both forwards and backwards at the quantum scale

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Technology

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

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When did time begin? Hint: It wasn’t at the big bang

Space

When did time begin? Hint: It wasn’t at the big bang

Features

Technology

China launches hunt for ways to protect data from quantum computers

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Futuristic battery

Technology

Quantum batteries charge faster the larger they are

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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.

Technology

Why AI firms should follow the example of quantum computing research

While artificial intelligence and quantum computing insiders have both been guilty of hyping up their products, only the latter group appears to still be applying proper scientific rigour to their field

Leader

Technology

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

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Technology

Why quantum computers are being held back by geopolitical tussles

Analysis

Technology

How the megaquop machine could usher in a new era of quantum computing

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Technology

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

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