Very Large Array
radio receivers, in Socorro, New Mexico, USA.
(Photo by Don Baccus @ http://donb.furfly.net/random_walks/vla.html, 1998. Used with permission.)🌐🌎VLA parabolic dish antenna. The dish is 25 m in diameter.
img srcTV dish receiver in Palo Alto, California, USA, 2002. The TV dish receiver is not necessarily parabolic, since the focus is below the center of the dish as we can clearly see in the photo. It is hard to say exactly what receiving dish is actually the shape of a parabola , because many physical and engineering constraints. However, we could say that all these reflectors are based on theories and principles of parabola.
Stirling Energy System's Solar dish. This is about 11 meters in diameter.
“Six dish Stirling Systems developed by Schlaich Bergermann und Partner of Stuttgart, Germany, in operation at the Plataforma Solar de Almeria in Spain. The three dishes in the foreground are second-generation systems. The systems produce 10 kW of power from a Solo Kleinmotoren engine.” — Wikipedia.
http://en.wikipedia.org/wiki/Image:Dish_Stirling_Systems_of_SBP_in_Spain.JPGArray of solar disks of a power plant in Australia. Photo from Time Mag, ≈2001.
solar dish at Ben-Gurion National Solar Energy Center, Israel.
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