Scientists invent a "mirror" that temporally reverses electromagnetic waves
The device creates an impedance that bounces waves backward in time
Communications articles
New York has removed the last city-owned public payphone
The payphone was donated to a museum for an exhibit on pre-digital life
Slack Connect lets up to 20 businesses collaborate on a single channel
Slack wants more companies to shift away from email
Scientists edge closer to ultra-high-speed Wi-Fi using lasers
Researchers have already transmitted a song via "quantum cascade laser frequency combs"
Microsoft counters Slack with a free version of Teams
Microsoft's collaboration tool is now free to use
Discord celebrates its third birthday by revealing significant 2018 growth numbers
User numbers have climbed from 45 million to 130 million
Skype has gone from popular free calling app, to promising acquisition, to utterly mismanaged and now enterprise tool
Despite worsening public perception, Microsoft may have found a place to be with Skype for Business
SpaceX launches communications satellite as Falcon 9 nears end of life
SpaceX successfully launches Falcon 9 amid preparations to switch to Falcon Heavy
