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Key technologies in digital twin of railway wireless network

The railway system will continue to integrate global positioning systems (GPS), artificial intelligence (AI), and other technologies to improve safety, comfort, affordability, and eco-friendliness. This puts forward higher ...

Undersea cables are the unseen backbone of the global internet

Have you ever wondered how an email sent from New York arrives in Sydney in mere seconds, or how you can video chat with someone on the other side of the globe with barely a hint of delay? Behind these everyday miracles lies ...

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AT&T says the outage to its US cellphone network was not caused by a cyberattack
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Fiber optic cables are an effective way to detect tsunamis, researchers show
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Comcast to stop using '10G' to describe its internet network. What is 10G anyway?
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European public TV networks launch free-to-air sports streaming platform under Eurovision banner
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Generating graph states of atomic ensembles via photon-mediated entanglement
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Researchers build new device that is a foundation for quantum computing
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Scientists show that there is indeed an 'entropy' of quantum entanglement
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Connecting rural African communities one bus at a time

In urban African communities, communication infrastructure has made it possible for people to share information quickly and easily. However, the same cannot be said for rural areas where there are tight resource constraints ...

Electric light transmits data 100 times faster than Wi-Fi

Li-fi, a communication technology harnessing visible light for data transmission, has a potential to surpass Wi-Fi's speed by more than 100 times and boasts a high bandwidth, facilitating the simultaneous transmission of ...