Category: Philosophy

Zygmunt Freud

Zygmunt Freud will give birth! myself 6 house 1856 r. in Freiberg, Moravia. Three years later his father, Jewish wool merchant, will carry out! with his family to Vienna, where he lived in the district of Leopoldstadt. …

Salzburg-born physicist and mathematician Christian Johann Doppler (1803-1853) observed, that the wavelengths of light and sound decrease in relation to the recipient as they approach and increase as their source moves away. This explains the change in pitch of the police siren …