Not being able to hear properly causes problems for millions of people when going about their daily business. These problems can be easily alleviated by the installation of induction loop technology ...

The Loop Detector senses when a vehicle passes over or arrives at a certain point, sending a signal to open a gate, hold open a gate to prevent closing on vehicles, or alert if a vehicle is in a bay.

A traffic signal sensor in Portland. Welcome to our newest column: Bike Science with Shawn Small One of the more frustrating aspects of cycling in an urban environment is not being able to trigger a ...

Spoiler summary: The loop inductance of a circular loop is about 25nH per inch of circumference. Remember: before you start using rules of thumb, be sure to read the Rule of Thumb #0: Use rules of ...

Equipment: A closed wire loop attached in series to a bulb (a search coil), and a degaussing coil. What it does: The search coil lights up when placed in certain orientations in and around the ...