In May 2019, the new SI definitions for ampere, kilogram, kelvin and mole came into force. For the mole, the SI unit of the amount of substance, the Avogadro constant was newly determined and its value set as the defining constant. But: How did it come about that a comparative n…
Functional behavioral analysis makes it possible to better understand the symptoms of psychotherapy patients and counseling clients and to develop appropriate help options. Not only observable behaviors are taken into account, but also internal processes such as cognitions, feel…
This essential gives an overview of the physical principles underlying nanotechnology, which today make it possible to use microscopic effects technologically. Methods are presented which allow the production of nanostructures with highest precision. In the last chapter the auth…
Already, the COVID-19 pandemic has left a deep mark on all levels of human activity and sentiment. As far as the best possible management of the situation is concerned, it is not only up to governments and experts in health systems, but ultimately up to each individual to act ap…