The alternator is a device that keeps your car’s electrical system running once the engine is on. It’s essentially a small generator that converts mechanical energy into electricity, bolted to the ...

When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around the dial mean.

Measuring tiny differences in high-voltage circuits usually requires specialized differential test probes, which are often expensive. Fortunately, it’s possible to build your own high-voltage probe ...

Abstract: A study of the performance of photodiodes in a fully standard sub 0.1 /spl mu/m technology is presented. A one-dimensional model is developed to get a rough idea of speed and responsivity of ...

Researchers say the experimental tool has huge implications for public health, especially in conjunction with Alzheimer’s ...

Maryland resident James Riordan assumed the mole on his cheek was harmless until his wife pointed it out and encouraged him to have it examined. "I pointed it out to my dermatologist, and she probably ...

The I – V characteristics of the device were measured by a pure DC measurement using a quasi-four-probe method in which the current was injected through the nanowire via a pair of Al contacts by using ...