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In this video, we’ll be discussing 5G – more specifically, what it is and its ability to change our world! 5G is a core technology in establishing the digital infrastructure of the future and will be essential in how all of the over 50 billion mobile and connected devices by 2020 will communicate together!

[0:25–2:55] First we’ll take a quick look at the history of mobile networks, and how they have evolved over the years to present day.

[2:55–14:20] Following that, we’ll focus on the technologies a 5G network is composed of and the improvements in speed, latency, bandwidth and energy consumption they will bring.

[14:20–23:40] Finally, we’ll discuss the transition process from 4G LTE networks to 5G as well as the timeframe for the release of 5G to the public.

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AT&T is connecting IoT robots, in new partnerships with Xenex and Brain Corp., that aim to help hospitals and retail establishments like grocery stores keep facilities clean, kill germs and keep shelves stocked more efficiently.

Chris Penrose, SVP of Advanced Solutions at AT&T, told FierceWireless that the robots are riding on the carrier’s 4G LTE network, rather than narrowband IoT (NB-IoT) or LTE-M networks. That’s because of the large amounts of data they need to push, along with latency and speed requirements for these particular use cases.

In the robotics space, AT&T is typically leaning more toward using LTE and potentially 5G in the future, Penrose noted.

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Ions trapped nanoscale optical cavities could be used to distribute entangled quantum particles over large distances. That is the conclusion of Jonathan Kindem and colleagues at Caltech in the US, who showed that a trapped ion of ytterbium can remain entangled with a photon for long periods of time. Furthermore, the team showed that the ion’s quantum state can be read out when manipulated by laser and microwave pulses. Their achievement could lay the foundations for a future quantum internet.

Quantum computers are becoming a reality as research labs and companies roll out nascent devices. An important next step in this quantum revolution is creating a “quantum internet” across which quantum information can be shared. The delicate nature of quantum information, however, means that it is very difficult to connect quantum computers over long distances.

Most quantum computers encode quantum bits (qubits) of information into the quantum states of matter – trapped atoms or superconducting circuits, for example. However, the best way to transmit quantum information over long distances is to encode it into a photon of light. An important challenge is how to transfer quantum information from stationary matter-based qubits to photon-based “flying” qubits and then back again.

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Shane chats with former NSA spy and whistleblower Edward Snowden on the rise of authoritarianism during the COVID-19 pandemic.

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