pigments
Copper, the electric metal
Associated with electricity, copper has helped change the world. Besides being a good conductor some of its compounds are superconductors. In living organisms acts as a transmitter of electrons in many biochemical reactions. Also is part of several blue and green pigments of gothic painting and sometimes can acquire an electric tone.
Colors in the sight
Humans are able to distinguish about 10 million colors. This capability has meant that we have incorporated many colors into the culture as symbols of all kinds. However, unlike other perceptions such as taste or hearing, the vision of colors is forgetful. Any way, thousands of pigments are currently available thanks to the modern chemical […]
The fall and the light
Light therapy, is a treatment that helps to overcome the seasonal gloom caused by the reduction of hours of light during autumn and winter. The reporter Pere Renom interviews specialists in psychiatry and sleep, and a lighting technician. He also visits one of the most beautiful autumn landscapes of Catalonia, in the Pyrenees, to explain […]
