dynamic response
61Defense Protective Service — United States Pentagon Police formerly the Defense Protective ServicePrior to 1971 the General Service Administration’s (GSA) United States Special Policeman (USSP) conducted law enforcement, safety and security functions at the Pentagon. The… …
62Structural engineering — is a field of engineering dealing with the analysis and design of structures that support or resist loads. Structural engineering is usually considered a speciality within civil engineering, but it can also be studied in its own right. [cite… …
63Flight test — is a branch of aeronautical engineering that develops and gathers data during flight of an aircraft and then analyses the data to evaluate the flight characteristics of the aircraft and validate its design, including safety aspects. The flight… …
64Modal analysis — is the study of the dynamic properties of structures under vibrational excitation. Modal analysis is the field of measuring and analysing the dynamic response of structures and or fluids when excited by an input. Examples would include measuring… …
65Digital versus film photography — has been a topic of debate since the invention of digital cameras towards the end of the 20th Century. Both digital and film photography have advantages and drawbacks.[1][2] 21st century photography is dominated by digital operation, but the… …
66Retreat of glaciers since 1850 — The retreat of glaciers since 1850, worldwide and rapid, affects the availability of fresh water for irrigation and domestic use, mountain recreation, animals and plants that depend on glacier melt, and in the longer term, the level of the oceans …
67Control reconfiguration — is an active approach in control theory to achieve fault tolerant control for dynamic systems [1]. It is used when severe faults, such as actuator or sensor outages, cause a break up of the control loop, which must be restructured to prevent… …
68Bending — For other uses, see Bending (disambiguation). Flexure redirects here. For joints that bend, see living hinge. For bearings that operate by bending, see flexure bearing. Continuum mechanics …
69Recul des glaciers depuis 1850 — Glacier de Grinnell dans le Parc national de Glacier (USA) montrant le recul depuis 1850 de 1,1 km USGS Le recul des glaciers depuis 1850, mondial et rapide, affecte : l accès à l eau douce pour l irrigation et pour l utilisation… …
70Mercedes Reaves — Born Puerto Rico Nationality Puerto Rican/American Occupation electronics engineer and scientist …
