Pulse Modulation
Publisher’s Note: To complement Dr. Saleh Faruque’s feature story providing an introduction to RF modulation, as well as Casey Spencer’s feature, Teslapathic, which employs pulse position modulation (PPM), we dug into our archives at Popular Electronics and discovered this terrific introduction to pulse modulation, of which PPM is a variant....
Inside the Fluxgate Gradiometer
This article aims to describe in simple terms how a fluxgate operates, its use as a component in a gradiometer or on its own simply to measure the Earth’s or other similarly low magnetic field. There is no such thing as a definitive fluxgate design, there being many variants, each...
Will Virtual Reality be the Most Unifying Technology Ever?
I’ve had a hard time getting comfortable with the term “virtual reality”. Most people’s mental model of VR contains too much sci-fi, dystopian future baggage. VR technology is often branded as isolating, gamers-only, and a gateway to a future of blind-folded zombies. Since the term VR is here to stay,...
