The Band from Rockall The Band from Rockall The Band from Rockall is a duo and solo project of Runrig songwriters Calum and Rory Macdonald. It is also the title of their debut self-titled bilingual album in English and Gaelic "The Band from Rockall" (long title being "The Band from Rockall: The Solo Project from Calum and Rory Macdonald"). The duo's name comes from Rockall, a remote rocky uninhabited islet in the North Atlantic Ocean, lying 300 miles west of the Scottish mainland. This was chosen by the brothers as a point 'half-way' between their native North Uist and the United States, representing both
Parabolic trough Andasol 1 solar power station. Parabolic trough A parabolic trough is a type of solar thermal collector that is straight in one dimension and curved as a parabola in the other two, lined with a polished metal mirror. The sunlight which enters the mirror parallel to its plane of symmetry is focused along the focal line, where objects are positioned that are intended to be heated. For example, food may be placed at the focal line of a trough, which causes the food to be cooked when the trough is aimed so the Sun is in its plane of symmetry.