One of the most basic tools for tinkering with electronics is a multimeter. Today, even a cheap meter has capabilities that would have been either very expensive or unobtainable back in the 1970s.

Abstract: This paper presents an optical fiber sensor, that uses surface plasmon resonance on metallic wires to directly and simultaneously measure both the refractive index and the temperature. The ...

Abstract: The length of an open- or short-circuited wire is linearly proportional to the capacitance or inductance of the wire, respectively. Several types of simple and inexpensive circuits are ...

An overnight pulse oximetry test checks your blood oxygen levels while you sleep. It's not enough to diagnose sleep apnea, but it can show if you need more tests. An overnight pulse oximetry test is a ...

It’s been a rough couple of years for Brian Setzer. But after canceling a Stray Cats tour last year due to medical reasons, he’s ready to rock the 18 towns the trio — including drummer Slim Jim ...