A simple workaround for all this was an acoustic coupler, a device that played your modem’s sounds directly into a phone’s receiver without any electrical connection. Modem speeds were slow ...

The Department of the Treasury is Formed, in This Week’s Open Thread ...

The shooting of UnitedHealthcare CEO Brian Thompson captured the internet's attention last week. Then, a suspect, 26-year-old Luigi Mangione, was arrested, and social media really went wild. Why ...

Abstract: New equal-ripple polynomials were determined and applied to the synthesis of symmetrical TEM-mode coupled-transmission-line directional couplers (using exact methods). Tables of designs for ...

Shanghai Key Laboratory of Magnetic Resonance, State Key Laboratory of Precision Spectroscopy, School of Physics and Electronic Science, East China Normal University, Shanghai 200241, P. R. China ...