solar cell design
111Ruthenium — (pronEng|ruːˈθiːniəm) is a chemical element that has the symbol Ru and atomic number 44. A rare transition metal of the platinum group of the periodic table, ruthenium is found associated with platinum ores and used as a catalyst in some platinum …
112Open source hardware — refers to computer and electronic hardware that is designed in the same fashion as free and open source software. Open source hardware is part of the open source culture that takes the open source ideas to fields other than software. An example… …
113Intel — For other uses, see Intel (disambiguation). Coordinates: 37°23′16.54″N 121°57′48.74″W / 37.3879278°N 121.9635389°W / 37.3879278; 121.9 …
114Fresnel 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… …
115Vanguard 1 — Infobox Spacecraft Name = Vanguard 1 Organization = United States Navy Major Contractors = United States Naval Research Laboratory (NRL) Mission Type = Earth science Satellite Of = Earth Launch = March 17, 1958 at 12:15:41 UTC Launch Vehicle =… …
116In-situ resource utilization — ISRU Reverse Water Gas Shift Testbed (NASA KSC) In space exploration, in situ resource utilization (ISRU) describes the proposed use of resources found or manufactured on other astronomical objects (the Moon, Mars, Asteroids, etc.) to further the …
117Renewable energy in Australia — Australia s renewable energy industries cover numerous energy sources and stages of commercialisation. Renewable energy technologies currently contribute about 6 per cent of Australia s total energy supply and some 8 per cent of Australia s… …
118Timeline of hydrogen technologies — A timeline of the history of hydrogen technology.Timeline1600s* 1625 First description of hydrogen by Johann Baptista van Helmont. First to use the word gas . * 1650 Turquet de Mayerne obtained by the action of dilute sulphuric acid on iron a gas …
119motion-picture technology — Introduction the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …
120History of electrochemistry — Electrochemistry, a branch of chemistry, went through several changes during its evolution from early principles related to magnets in the early 16th and 17th centuries, to complex theories involving conductivity, electrical charge and… …
