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How a quantum computer is different from your laptop, explained by a scientist

sciencefocus.com

The power of a quantum computer

A conventional computer uses electricity within its silicon chips. Small amounts of electrical current are turned on or off. It represents true and false, or the binary numbers one and zero.

But a quantum computer changes individual quantum elements such as electrons or photons, called qub...

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Qubits rely on a property known as entanglement - the property of one particle is entangled with another.

When there are two entangled particles with a combined spin of zero and one particle collapses so that it spins clockwise, the other particle's state will be anticlockw...

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Quantum computers need delicate storage requirements. If a qubit interacts with an external factor such as a vibration or temperature variation, it can cause them to fall out of superposition before their job has been done.

To prevent this, scientists try to preserve these superposition sta...

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