Curated category
Wireless communication systems
- RadarIn 1886, German physicist Heinrich Hertz demonstrated that radio waves could bounce off solid objects. This discovery laid the foundation for all future…
- Wi-FiIn 1985, the U.S. Federal Communications Commission released parts of the ISM bands for unlicensed use in the United States.
- Communications satelliteIn October 1945, Arthur C. Clarke published an article titled "Extraterrestrial Relays" in the British magazine Wireless World.