EDN

From gap to signal: Non-contact capacitive displacement sensors

Capacitive displacement sensor’s touch-free nature makes it ideal for fragile surfaces and high-speed machinery.
IEEE

Finite-Difference Time-Domain Simulation of Wave Propagation in Space-Time-Varying Media: Derivation of schemes, extended framework, and illustrative examples

Abstract: We present a comprehensive tutorial on the finite-difference time-domain (FDTD) modeling of space, time, and space-time-varying media, building upon our previous review by offering a ...
Investopedia

Credit Cards vs. Debit Cards: What’s the Difference?

Mark Cussen, CMFC, has 13+ years of experience as a writer and provides financial education to military service members and the public. Mark is an expert in investing, economics, and market news.
ZDNet

My living room TV sounded so much better after I considered these 3 factors

I wore the world's first HDR10 smart glasses TCL's new E Ink tablet beats the Remarkable and Kindle Anker's new charger is one of the most unique I've ever seen Best laptop cooling pads Best flip ...