This paper re-visits the concept of water efficiency applied to Spanish agriculture and assesses how this technical concept is sometimes lost in translation when applied at different spatial scales. The paper traces the historical dominance of irrigated agriculture in Spanish water policy. It...

We investigate experimentally the interference in far-field radiation of two contra-propagating evanescent fields using a conventional optical microscope. A laser beam illuminates a glass-air interface under total internal reflection condition and through the proper setup a double evanescent...