Credit: CC0 Public Domain At the moment, sensitive data is typically encrypted and then sent across fiber-optic cables and other channels together with the digital "keys" needed to decode the information. However, the data can be vulnerable to hackers. Quantum communication takes advantage of the laws of quantum physics to protect data. These laws allow particles—typically photons of light —to transmit the data using quantum bits, or qubits. Superior capabilities Multinational corporations, such as IBM and Google, are now building intermediate-size quantum computers with increasing number o...
https://phys.org/news/2019-06-ultimate-limits-quantum-networks.html
2019-06-03 12:18:08Z
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