President’s Letter for April 2023
Greetings to all. April 3rd, 2023 was the 50th Anniversary of the cell phone. Inventor Martin Cooper of Motorola used the first portable handset … to make the first cell phone call … to his rival at Bell Labs. Way to rub it in, Marty. From 1973 until now, there has been an incredible proliferation of these devices. It seems like everyone has one and many have more than one. Yet, when I ask my students, most of whom are middle aged, “How many radio circuits are in an average smartphone?” their guesses are all over the map. There are five, if you don’t know: The phone itself is the first one; wi-fi; Bluetooth; GPS and near-field communication (NFC – although you may know it as “Google Pay” or “Samsung … Read more >>