Ok, it's been almost a decade since I've had to study Maxwell's equations, but I remember a certain facet from those equations that always astounded me. It was the fact that the speed of light could ...

This is our second activity that requires the use of a smartphone or tablet. Please let us know what you think. E-mail [email protected] with feedback about the use of technology in this—and ...

Let's start with DC voltage, one of the simplest and most-used multimeter measurements. The DC voltage measurement is used to determine the difference in electrical potential between two points in a ...