Barometer
Videos
A barometer is a scientific instrument that is used to measure air pressure. Pressure tendency, which is derived from barometric readings, can forecast short term changes in the weather. Many measurem
An analog barometer
Siphon
Gasparo Berti's experiment
Evangelista Torricelli
Pressure measurement
Videos
Pressure measurement is the measurement of an applied force per unit area by a fluid on a surface. Pressure is typically expressed in units of pascals in the International System of Units. Many techni
Barometer
…the Samsung Galaxy Nexus, Samsung Galaxy S3-S6, Motorola Xoom, Apple iPhone 6 and newer iPhones, and Timex Expedition WS4 smartwatch, based on MEMS and piezoresistive pressure-sensing technologies. Inclusion of barometers on smartphones was originally intended to provide a faster GPS lock. However, third party researchers were unable…
Example of the widely used Bourdon pressure gauge
Checking tire pressure with a spring and piston tire-pressure gauge
Natural gas pressure gauge
Silicon piezoresistive pressure sensors