Beaver — Beavers are semi-aquatic rodents native to North America and Europe. They are the only living members of the family Castoridae, which contains a single genus, Castor. Genetic research has shown the European and North American beaver populations to be distinct species and that hybridization is unlikely. Beavers are best known for their natural trait of building dams in …

SPAD S.XIII — The SPAD S.XIII was a French biplane fighter aircraft of World War I, developed by Societe Pour L’Aviation et ses Derives (SPAD) from the earlier highly successful SPAD S.VII. It was one of the most capable fighters of the war, and one of the most-produced, with 8,472 built and orders for around 10,000 more cancelled at the …

Mikoyan-Gurevich MiG-15 — The Mikoyan-Gurevich MiG-15 was a jet fighter developed for the USSR by Artem Mikoyan and Mikhail Gurevich. The MiG-15 was one of the first successful swept wing jet fighters, and it achieved fame in the skies over Korea, where early in the war, it outclassed all straight-winged enemy fighters in daylight. The MiG-15 also served as the …

Alphabetical Listing of Uncategorized Acronyms 2.5G — Second-and-a-half-generation Mobile Telephone System 2D — Two 2G — Second 3D — Three 3G — Third 3I — Investors In Industry (venture Capitalists) 3M — Minnesota Mining And Manufacturing Company 4D — Four-dimensional (usually Three Spatial Plus One Temporal Dimension 4G — Fourth-generation Mobile Telephone System 4GL — Fourth-generation Programming Language 4WD — …