Way back when [Ms Ellsworth] was a kid, she kept seeing the same circuit over and over again in her various op-amp books. It was a Wien bridge oscillator, a small circuit that outputs a sine wave w… ...

Before we get into the complexities of whether Christmas lights are wired in series or parallel, we’re going to look at the simplest circuit possible—one incandescent bulb connected to a power ...

Rice University. "Researchers power line-voltage light bulb with nanotube wire." ScienceDaily. ScienceDaily, 8 September 2011. <www.sciencedaily.com / releases / 2011 / 09 / 110907104701.htm>.