plated contact
81Soldering — For the song, see Soldering (song). For the product, see Solder. Desoldering a contact from a wire. Soldering is a process in which two or more metal items are joined together by melting and flowing a filler metal (solder) into the joint, the… …
82Recycling — For other uses, see Recycling (disambiguation). 3R Concepts Waste Disposal Hierarchy Reduce Reuse Recycle Barter Dematerialization Dow …
83Spring (device) — Helical or coil springs designed for tension Compression sp …
84Greenleaf Whittier Pickard — Infobox Scientist name = Greenleaf Whittier Pickard caption = birth date = birth date|1877|2|14 birth place = death date = death date and age|1956|1|8|1877|2|14 death place = residence =United States nationality = American field = Electrical… …
85Oakland Zoo — For the University of Pittsburgh basketball cheering section with the same name, see Oakland Zoo (cheering section). Oakland Zoo Main entrance Date opened 1922 Location Oakland, California …
86Submarine Warfare insignia — The Submarine Warfare Insignia (usually known as dolphins or fish ) is a uniform breast pin worn by enlisted men and officers of the United States Navy to indicate that they are qualified in submarines. The Submarine Warfare Insignia is… …
87Millipede memory — Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRAM In development T RAM Z RAM TTRAM Historical Delay line memory Selectron tube Williams tube Non volatile …
88Luria-Delbrück experiment — (1943) (also called the Fluctuation Test) demonstrates that in bacteria, genetic mutations arise in the absence of selection, rather than being a response to selection. Therefore, Darwin s theory of natural selection acting on random mutations… …
89Lincoln cent — United States Value 1 cent (.01 United States dollars) Mass  2.5 g  (0.080 troy oz) Diameter  19.05 mm  (0.750 in) Edge …
90Via (electronics) — A via is a vertical electrical connection between different layers of conductors in a physical electronic circuit. Contents 1 In IC 2 In PCB 3 Gallery 4 See also In IC …
