tangent to tangent height
121SOFAR channel — The SOFAR channel (short for Sound Frequency and Ranging channel), or deep sound channel (DSC),[1] is a horizontal layer of water in the ocean at which depth the speed of sound is minimal. The SOFAR channel acts as a waveguide for sound, and low… …
122Lackawanna Cut-Off — The westbound Lackawanna Limited comes off the Pequest Fill shortly after the opening of the Lackawanna Cut Off. Taken from the signal tower at the east end of Greendell Siding, this early 1912 photo was used as a template for a Phoebe Snow… …
123Muchalls Castle — Aberdeenshire, Scotland Muchalls Castle Built …
124Babylonian mathematics — refers to any mathematics of the peoples of Mesopotamia (ancient Iraq), from the days of the early Sumerians to the fall of Babylon in 539 BC. In contrast to the scarcity of sources in Egyptian mathematics, our knowledge of Babylonian mathematics …
125Zastava M91 — Infobox Weapon|is ranged=yes caption=Zastava M91 name=Zastava M91 type=Sniper rifle origin= flagcountry|Serbia designer=Zastava Arms ( Zastava oružje ) manufacturer=Zastava Arms design date=1991 service=Present used by=See users wars= Yugoslav… …
126SKY-MAP.ORG — (or WIKISKY.ORG) is an interactive information management system which encompasses the entire outer space. The basic element of the system is a detailed map of the whole star sky that mirrors more than half a billion celestial objects. No… …
127Roger T. Pipe — Male adult bio name = Roger T. Pipe caption = Roger T. Pipe (right), with pornographic actress Trinity, at the AVN Adult Entertainment Expo, 2000. birth = birth date and age|1967|10|17 location = California, United States birthname = spouse =… …
128earthquake — /errth kwayk /, n. 1. a series of vibrations induced in the earth s crust by the abrupt rupture and rebound of rocks in which elastic strain has been slowly accumulating. 2. something that is severely disruptive; upheaval. [1300 50; ME erthequake …
