fotons
Light at our service
published on 9.12.2014
The 2014 Nobel Prize in Physics is awarded to three Japanese researchers for inventing a new efficient and durable light source: the blue LED. Quèquicom explains how it works. But beyond lighting, the more versatile light is laser, allowing encryption, cut, cool, heat, diagnose, read, print or move. Speakers Maria Guell, The Invisible Lighting Design […]
Profiting the sun
published on 3.05.2011
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 […]
