free body diagram
91Digital single-lens reflex camera — Nikon D700 full frame (FX) digital SLR camera …
92Introduction to general relativity — General relativity (GR) is a theory of gravitation that was developed by Albert Einstein between 1907 and 1915. According to general relativity, the observed gravitational attraction between masses results from the warping of space and time by… …
93carbohydrate — /kahr boh huy drayt, beuh /, n. any of a class of organic compounds that are polyhydroxy aldehydes or polyhydroxy ketones, or change to such substances on simple chemical transformations, as hydrolysis, oxidation, or reduction, and that form the… …
94Acid dissociation constant — Acetic acid, a weak acid, donates a proton (hydrogen ion, high …
95Shallow water blackout — A shallow water blackout is a loss of consciousness caused by cerebral hypoxia towards the end of a breath hold dive in water typically shallower than five metres (16 feet), when the swimmer does not necessarily experience an urgent need to… …
96Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A …
97Negentropy — The negentropy, also negative entropy or syntropy, of a living system is the entropy that it exports to keep its own entropy low; it lies at the intersection of entropy and life. The concept and phrase negative entropy were introduced by Erwin… …
98Caridoid escape reaction — The Caridoid Escape Reaction, also known as lobstering or tail flipping, refers to an innate escape mechanism in marine and freshwater crustaceans such as lobsters , krill, shrimp, and crayfish. It has been most extensively researched in crayfish …
99Mechanical filter — Figure 1. A mechanical filter made by the Kokusai Electric Company intended for selecting the narrow 2 kHz bandwidth signals in SSB radio receivers. It operates at 455 kHz, a common IF for these receivers, and is dimensioned 45×15×15 mm ( …
100Marcus theory — is a theory originally developed by Rudolph A. Marcus, starting in 1956, to explain the rates of electron transfer reactions – the rate at which an electron can move or jump from one chemical species (called the electron donor) to another (called …
