Langmuir contact angle measuring device. Tag found with object reads: "See modern instrument (A. Bueche) / (Chemistry). / Used to measure the contact angles to / determine interfarial properties of ...

An angle is the space between two lines that start at the same point. Angles are measured in degrees (°). They can measure between 0° and 360°. Different types of angles include acute, obtuse, reflex ...

Forget hunting for a tape measure or a protractor. Use your Android phone camera and sensors to handle different types of measurements easily.

Moasure is motion-sensor-based measuring device that works by simply moving. Hold a Moasure device against anything you want to measure, tap the device, walk over to the endpoint, and tap again. It ...