<br> [MAS.865](../index.html) > [Metrology](index.html) ## Metrology how to assign numbers to almost anything ###[General concepts](general.html) ### Physical quantities * [Electric field](efield.html) * [Time](time.html) * [Magnetic field](bfield.html) * [Position, Distance and Angle](position.html) * [Force and Pressure](force.html) * [Acceleration and Vibration](acceleration.html) * [Sound](sound.html) * [Light and Image](image.html) * [Temperature](temperature.html) ### links * [Fab class Input devices](http://academy.cba.mit.edu/classes/input_devices/index.html) * [2.131: Advanced Instrumentation and Measurement](http://meche.mit.edu/featured-classes/advanced-instrumentation-and-measurement) * [robrenz](https://www.youtube.com/user/ROBRENZ/videos) * [oxtoolco](https://www.youtube.com/channel/UCZC9LGZLfyjrKT4OZne-JNw)