The theory of ultra-small cases
At the beginning of the last century, an invention was made that, at first glance, was far from everyday needs. Physicists have learned to work at very low temperatures, close to absolute zero. The avalanche of discoveries that followed led to a phenomenon that today we call the scientific and technological revolution of the 20th century. The revolution in science has changed the face of our civilization no less, if not more, than the social revolutions.