In Audioholic’s subwoofer reviews, our measurements are an analysis of a subwoofer's ability to accurately reproduce the source content. This involves testing its behavior with respect to linear ...

Measuring the total dissolved solids, or TDS, gauges the strength of a hydroponic nutrient solution and is an unparalleled method of determining water quality. When growing hydro make sure to take all ...

In an ideal world, a 16-bit, 20 GSamples/s digital-to-analog converter (DAC) would generate accurate RF signals for a variety of modern communications protocols. However, ASICs with this kind of ...

As gearheads, we love to remember numbers. Many can probably rattle off all sorts of specs from various cars and engines. Cubic inches, rearend ratios, and camshaft lift specs are a lot of the common ...

Electrical engineering students rarely leave college with knowledge depth in both digital electronics and RF/microwave theory. The new engineer with digital design skills likely chose that path from a ...

Many complex fluids, such as surfactant mesophases, network forming polymers, emulsions etc. do not flow until the applied stress crosses a certain critical value, called the yield stress. Materials ...

A description of the electronics in an electrocardiograph and what signals they measure to produce the “leads” on an ECG strip chart or video display. An ECG detects and displays the electrical pulses ...

Those of us in the business of psychological measurement use the terms reliability and validity a lot. You've probably seen those terms on the Psychology Today website (they appear thousands of times) ...