electricitat
Climate change, critical level
Global warming has not stopped since the industrial revolution and in the Quèquicom we are also witnesses. In 2006 we dedicated a report to climate change. In 2019, thirteen years later, we made an update. We will see how has evolved the CO2 in the atmosphere, the temperature of the sea in Estartit, the fish […]
Lightning catchers
The lightning are highly potent electric shocks that occur in microseconds. Nevertheless, it is possible to catch them with a high speed camera, detect them by antennas, track them on trees or subsurface minerals, lead them to lightning rods, and reproduce its plasma in cutting steel machines, fluorescent or neon. Speakers Oscar Van der Velde, […]
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.