Digital displays are useful for quick and accurate readout, but lots of people prefer the physical motion of a needle moving along a dial. For instance, many smartwatch users choose an analog face to ...

Our old algebra teacher used to say, “You have to take what you know and use it to get what you don’t know.” That saying always reminds of us sensors that convert physical quantities into things our ...

Step onto any household or commercial weighing scale, and suddenly your weight magically appears in neat digital numbers. But how does a simple platform know exactly how much you weigh down to a tenth ...