termosolar
Charging the batteries
What do they have in common a battery, a tubercle or body fat? They are sistems of storing energy. The energy is stored for consumption when needed and to move autonomously. A crossing of the Pyrenees is an ideal situation to understand how and why energy is stored.
Profiting the sun
One of the alternative energy models to hydrocarbons is solar energy, on two fronts: photovoltaic and thermal. Solar panels are still relatively expensive. In large photovoltaic plants are tested other technologies to reduce costs, such as the so-called solar panels of concentration. Joan Ignasi Rosell, University of Lleida, explains what they are. 130 school children […]