Airplanes use radio waves to determine how far off the ground they are. New 5G cellphone services come close to the same frequencies the airplanes use. Here’s how that can be a problem.
Wi-Fi has become a fundamental part of modern digital life, but its foundation is the same as the technology that allowed your great-grandparents to listen to their favorite radio programs.
A government proposal for weather radars to share frequencies with telecommunications providers has prompted fears for the accuracy of the Bureau of Meteorology’s weather radar.