communications

You call a long distance call, no matter how far away, there is also a network operator

NASA plans to develop interplanetary communication systems in the solar system, which function like the Internet on Earth.

Canadian media reported that (October 6, 2011), a satellite incident occurred, affecting thousands of people in rural areas of northern Canada and dozens of flights due to the loss

Next-generation personal communication systems can be made with a hard-to-think tool: a sewing machine.