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Researchers in the UK have successfully linked two separate quantum processors, paving the way for a quantum internet and possibly quantum supercomputers.
Increasing the number of quantum bits, known as qubits, in a quantum computer is a challenging task because quantum computers are subject to “noise” – they can respond to any interference from heat, movement or electromagnetic fields and fail much more often than bits in classical systems.
The more qubits in a quantum computer, the more complex the system becomes, and the higher the risk of decoherence—the loss of quantum information—as well as the resources needed to prevent errors. That’s why scientists are focusing their efforts on developing more robust qubits before scaling systems to the millions of qubits needed to create a truly efficient quantum computer.
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