Many measurements start with sensors, be they temperature, strain, light, position, or other physical properties. Accurately measuring the distance to and speed of an object has challenges relating to ...

I am always on the lookout for ideas for simple test and measurement instruments that can be used on my workbench. Over the years, I have built dozens of little test instruments and home lab ...

Bucknell University Professor Katelyn Allers, physics & astronomy, is publishing the first measurement of atmospheric wind speed outside the solar system using a new technique she developed. Her study ...