Sensors are generally classified on the basis of entities which they detect and measure. However, commonly they are divided into active and passive types. Some of the common types of sensors are – mechanical,...

Temperature is the measurement of the average kinetic energy of the particles of an object. It measures the degree of hotness or coldness. On the other hand, heat is basically the energy transfer between...

Maser generally refers to a device which is used for creation and amplification of an intense and coherent beam of high frequency radio waves. Laser is same as the maser, but it specifically applies to...