The History of AC vs. DC

Just about every home and business is wired for Alternating Current (AC). However, the decision to use Alternating Current (AC), rather than Direct Current (DC), didn’t happen without a lot of trial and error. In the late 1880s, a variety of inventions across the United States and Europe led to a full-scale battle between Alternating … Continue reading The History of AC vs. DC

What is a Sine Wave

  The sine wave or sinusoid is a mathematical curve that describes a smooth repetitive oscillation. It is named after the function sine, of which it is the graph. The sine wave occurs often in pure and applied mathematics, as well as physics, engineering, signal processing and many other fields.   The sine wave is … Continue reading What is a Sine Wave