Door sensors detect door position (i.e., open or closed) based on the precise gap between the magnet and the reed switch.

When you’re driving your car, you’re probably regularly looking at the speedometer to make sure you comply with the local speed limits. The method by which it works is simple enough: ...

When you turn on your car in the middle of a hot summer day and take a look at the air temperature before pulling out of your driveway, it may catch you by surprise. You might notice that the reading ...

A research team led by Prof. Seung Hwan Ko of Seoul National University College of Engineering's Department of Mechanical ...

Color-changing mood rings, forehead fever strips and car-shade indicators all change hues as they warm and cool, thanks to a ...