(of solar collectors)
61Interplanetary spaceflight — or interplanetary travel is travel between planets within a single planetary system. In practice, spaceflights of this type are confined to travel between the planets of the Solar System. Current achievements in interplanetary travel Remotely… …
62Snarl (Transformers) — Snarl is the name of several different fictional characters in the various Transformers universes.Transformers: Generation 1Transformers character name = Snarl caption = Snarl Dreamwave Art affiliation = Autobot subgroup = Dinobots Action Masters …
63Fresnel lens — A Fresnel lens (pronounced [ frɛz.nəl] or [freɪ nɛl] ) is a type of lens invented by French physicist Augustin Jean Fresnel. Originally developed for lighthouses, the design enables the construction of lenses of large aperture and short focal… …
64William Yuan — is a twelve year old boy from Beaverton, Oregon. Yuan has developed a 3D Solar Cell that has the potential to revolutionize solar power. [cite news|first=Susan|last=Harding|url=http://www.katu.com/news/28432984.html|title=Beaverton boy lauded for …
65Desert — Not to be confused with dessert. This article is about dry terrain. For the act of abandoning or withdrawing support, see desertion. For other uses, see Desert (disambiguation) …
66Parabolic trough — A parabolic trough is a type of solar thermal energy collector. It is constructed as a long parabolic mirror (usually coated silver or polished aluminum) with a Dewar tube running its length at the focal point. Sunlight is reflected by the mirror …
67David Criswell — David R. Criswell, Ph.D is currently the Director of the Institute for Space Systems Operations at the University of Houston. ISSO is the operational agent for the Houston Partnership for Space Exploration. Criswell received a Bachelor of Science …
68energy conversion — ▪ technology Introduction the transformation of energy from forms provided by nature to forms that can be used by humans. Over the centuries a wide array of devices and systems has been developed for this purpose. Some of these energy …
69building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
70Green vehicle — The Toyota Prius is the world s top selling hybrid car, with cumulative global sales of 2.0 million units by September 2010,[1] and has become the icon of green cars. A green vehicle or environmentally friendly vehicle …
