Frequency response is defined as: A measure of the effectiveness with which a circuit, device, or system transmits the different frequencies applied to it. It is a phasor whose magnitude is the ratio ...

In the late 1800s a German physicist named Heinrich Hertz created radio waves in the laboratory. A century later, we are still expanding upon Hertz’s discovery. Radio waves make possible all wireless ...

Is the stock market “rigged”? That’s what Michael Lewis, the author of “Flash Boys: A Wall Street Revolt,” is arguing. Lewis argues that high-speed trading gives some traders an unfair advantage. The ...