(stabilizers)
81Psychoactive drug — An assortment of psychoactive drugs A psychoactive drug, psychopharmaceutical, or psychotropic is a chemical substance that crosses the blood–brain barrier and acts primarily upon the central nervous system where it affects brain function,… …
82Dornier Do 17 — Do 17 A formation of Dornier Do 17Zs, circa 194 …
83Geometrization conjecture — Thurston s geometrization conjecture states that compact 3 manifolds can be decomposed canonically into submanifolds that have geometric structures. The geometrization conjecture is an analogue for 3 manifolds of the uniformization theorem for… …
84North American X-15 — X 15 redirects here. For other uses, see X 15 (disambiguation). X 15 Role …
85USS Memphis (SSN-691) — USS Memphis (SSN 691), a Los Angeles class submarine, was the sixth ship of the United States Navy to be named for Memphis, Tennessee. The contract to build her was awarded to Newport News Shipbuilding and Dry Dock Company in Newport News,… …
861,1,1-Trichloroethane — Not to be confused with 1,1,1 Trifluoroethane. 1,1,1 Trichloroethane …
87Boeing 787 — infobox Aircraft subtemplate=Infobox Boeing Aircraft name=Boeing 787 Dreamliner caption=Boeing 787 8 Dreamliner at roll out ceremony national origin = United States, with international partners type=Wide body jet airliner manufacturer=Boeing… …
88Conway group — Group theory Group theory …
89Elmer Ambrose Sperry — Infobox Engineer image size = 150px caption = PAGENAME name = PAGENAME nationality = United States birth date = October 12, 1860 birth place = Cortland, New York death date = June 16, 1930 death place = Brooklyn, New York education =Cornell… …
90Douglas Skyrocket — infobox Aircraft name = Douglas Skyrocket type = Experimental high speed research aircraft manufacturer = Douglas Aircraft Company caption = Douglas Skyrocket D 558 2 designer = first flight = 4 February avyear|1948 introduction = retired =… …
