longitudinal instability
51Kármán vortex street — A Kármán vortex street is a repeating pattern of swirling vortices caused by the unsteady separation of flow over bluff bodies. They are named after the engineer and fluid dynamicist, Theodore von Kármán [Theodore von Kármán: Aerodynamics]… …
52Medial collateral ligament — Ligament: Medial collateral ligament Diagram of the right knee. (Medial collateral ligament labeled at center right.) Latin ligamentum collaterale tibiale …
53Aircraft dynamic modes — Source: Flight dynamicsThe dynamic stability of a vehicle denotes the complete study of the motion occurring after the vehicle has been disturbed. If the aircraft returns to equilibrium without overshoot, the motion is a simple subsidence. If the …
54List of radio propagation topics — This is a list of radio propagation terms. NOTOC A a index A index aa index active prominence active prominence region (APR) active region active surge region (ASR) active dark filament (ADF) AE index Air Force Geophysics Laboratory (AFGL) arch… …
55North American F-100 Super Sabre — Super Sabre redirects here. For the comic book character, see Super Sabre (comics). F 100 Super Sabre …
56Earthquake — For other uses, see Earthquake (disambiguation). Global earthquake epicenters, 1963–1998 …
57Biology and sexual orientation — Sexual orientation Orientations Asexual · Bisexual · Heterosexual · Homosexual Gender based alternative concepts Androphilia and gynephilia · Human female sexuality  …
58Galloping Gertie — This article is about the first Tacoma Narrows Bridge, which collapsed in 1940. For the article on the current bridge, see Tacoma Narrows Bridge. Infobox Bridge bridge name = Tacoma Narrows Bridge (Galloping Gertie) caption = The first Tacoma… …
59Le Sage's theory of gravitation — is the most common name for the kinetic theory of gravity originally proposed by Nicolas Fatio de Duillier in 1690 and later by Georges Louis Le Sage in 1748. The theory proposed a mechanical explanation for Newton s gravitational force in terms… …
60Video camera tube — In older video cameras, before the mid to late 1980s, a video camera tube or pickup tube was used instead of a charge coupled device (CCD) for converting an optical image into an electrical signal. Several types were in use from the 1930s to the… …
