‘Quantum Apocalypse’: How ultra-powerful computers could cripple governments and effectively break the internet

 

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A new era of computing could bring about a ‘quantum apocalypse’

‘Our modern systems of finance, commerce, communication, transportation, manufacturing, energy, government, and healthcare will for all intents and purposes cease to function,’ cyber security expert warns

A new era of unfathomably fast computers is just a few years away, with quantum computers set to transform the way we communicate, cure disease, and even solve problems previously thought impossible.

But some computing experts fear functional quantum computers could also effectively break the internet as we know it.

Recent progress made by Google means their arrival could be sooner than expected. A leaked research paper suggests the company has achieved what is known as quantum supremacy, whereby a quantum computer performed a calculation that was far beyond the reach of today’s most powerful supercomputers.

First theorised by the physicist Richard Feynman in 1982, quantum computers combine the peculiar properties of quantum physics with computer science to achieve processing power that is exponentially more powerful than traditional computers.

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