Unit IV

Our physical world often requires physical sensors. Learn about microphones, seismometers and other devices that use movement and pressure to measure. Measurement is the heart of both science and engineering.

Seismometers at Kilauea

This unit is not complete, but our section on microphones is complete here:



Thanks for using the Universe of Instrumentation online course. We hope you will return later when we have more original material in Unit 3 and Unit 4.