Repeaters were spaced every 50 km or so along the cable, housed in long, pressure-rated housings that created bulges in the slim cable, but were still compatible with the cable-laying gear.

(Courtesy: Wang Guoyan and Ma Yanbing) Quantum repeaters that can store multiplexed signals; provide heralded signals of entanglement; and operate at telecommunications wavelengths have been developed ...

There are plenty of satellite repeaters flying around the world that are actually legal for hams to use, with most being in low-Earth orbit and making quick passes at predictable times.

Quantum repeaters are needed for long-distance quantum communication but it is thought that they require matter quantum memories. Azuma et al. introduce an all-photonic quantum repeater based on ...

What are quantum repeaters, and how do they work? This explainer lays what these devices do, their role in entanglement swapping, and how the Q-NEXT quantum center is advancing the technology.

Iridium repeaters are used in a wide range of situations, including underground civil defense/military bunkers, oil rigs/ships, large buildings and any other underground facilities. Foxcom’s ...

And the methods, materials and execution are increasingly advanced. Such watches, called minute repeaters, first emerged in the 17th century but became unfashionable after the second world war.

Repeaters are considered illegal when imported into the country without proper permits from the National Telecommunications Commission (NTC). The sale, purchase, possession, and use are prohibited ...