China already has the world's fastest supercomputer and has now built a crude quantum computer that could outpace today's PCs and servers.
After decades of research, the first quantum computers are now up and running. The question now is: what do we do with them?
A new services program called Q at IBM will be remarkable: in a few years it will have a quantum computer with more than 50 qubits, which should push conventional computers one step closer to the trash heap.
SK Telecom and Nokia have developed a prototype quantum cryptography system that combines the South Korean company's quantum key server with an encryption device from Nokia.
When the first true quantum computer is one day realised, it will be completely useless. For it to prove its worth as a potentially world-changing problem solver, it will need to run software.
Microsoft is accelerating its efforts to make a quantum computer as it looks to a future of computing beyond today's PCs and servers.
Diamonds are among the most expensive gems in the world, but they could also serve as a building block for quantum computers.
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- China adds a quantum computer to high-performance computing arsenal
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