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Technology

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

Software developers entering the International Obfuscated C Code Contest must write programs that look baffling, but perform unusual, unexpected or catastrophic tasks

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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

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

Technology

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

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Technology

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

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Technology

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

Analysis

Bill & Paul Allen at teletype machine, Lakeside yearbook photo (1969-1970)

Technology

Explore what shaped Bill Gates in part one of his autobiography

Culture

Physics

The 100-year-old symmetry theorem that is still changing physics today

Emmy Noether was hailed as a mathematical genius in her own time. And her theorem on symmetry is still driving new discoveries in particle physics and quantum computing today

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Physics

Experiment with 37 dimensions shows how strange quantum physics can be

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Technology

Quantum-inspired algorithm could enable better weather forecasts

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Physics

A new kind of hidden black hole may explain the mystery of dark energy

Features

Physics

Twisted light may illuminate how quantum spookiness works

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