Naturvitenskap, teknikk og ingeniørkunst

Colour is everywhere. From blue skies to red sunsets, from the first flowers in spring to the blazing leaves of autumn. But what is the nature of colour? Scientific books present a …

-- Second edition of a concise introduction to Schauberger's life and thinkingViktor Schauberger's knowledge of natural energies led to inventions which, if properly harnessed, …