Expert articles

Measurement methods
Absolute methodIt It determines the simple value of a measured quantity in the appropriate units, without the need to know its value in any special case (eg for a substance...
SI units, basis of measurement
  Basic quantities are measured very often and similarly to history. A sophisticated system of interconnected units is used. SI system The...
Measurements around us
Systems of units Basic quantities are measured very often and similarly to history. With the rise of physics, more and more demands are placed on units and their...