Gustav Kirchhoff | Wikipedia audio article

Black body | Wikipedia audio articleПодробнее

Janssen Medal (French Academy of Sciences) | Wikipedia audio articleПодробнее

Heidelberg University Faculty of Physics and Astronomy | Wikipedia audio articleПодробнее

Caesium | Wikipedia audio articleПодробнее

Black-body radiation | Wikipedia audio articleПодробнее

Caesium | Wikipedia audio articleПодробнее

History of quantum physics | Wikipedia audio articleПодробнее

Gustav KirchhoffПодробнее