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Sistema Sac Actun and Sistema Dos Ojos — 2 underwater limestone caves systems in Tulum municipality of Quintana Roo state, on the Yucatán Peninsula in southeastern Mexico. v t
Sistema Sac Actun (Yucatec Maya: sak aktun, lit. 'white cave', Spanish: sistema, lit. 'system') is an underwater cave system situated along the Caribbean coast of the Yucatán Peninsula with passages to the north and west of the city of Tulum. Discovery of a connection to Sistema Dos Ojos in
In August 2012 Dos Ojos was connected through a dry passage to Sistema Sac Actun. With March 2014 the total length of the combined system measures 319.05 kilometers (198.25 mi). Dos Ojos is an anchialine cave system with connections to naturally intruding marine water and tidal influence in the cenotes.
Scapa Flow (/ ˈ s k ɑː p ə, ˈ s k æ p ə /; from Old Norse Skalpaflói 'bay of the long isthmus') [1] is a body of water in the Orkney Islands, Scotland, sheltered by the islands of Mainland, Graemsay, Burray, [2] South Ronaldsay and Hoy. Its sheltered waters have played an important role in travel, trade and conflict throughout the ...
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It runs MS-DOS 2.01, which added support for individual country date, time and currency display formats via the CONFIG.SYS COUNTRY command, and 7000 16-bit Japanese kanji characters. [24] [115] [152] With the help of Kazuhiko Nishi, leader of ASCII Microsoft, Microsoft arrived early in Japan. [17]
A well known example of a two-state system is the spin of a spin-1/2 particle such as an electron, whose spin can have values +ħ/2 or −ħ/2, where ħ is the reduced Planck constant. The two-state system cannot be used as a description of absorption or decay, because such processes require coupling to a continuum.
Litening is an integrated targeting pod that mounts externally to the aircraft. The targeting pod contains a high-resolution, forward-looking infrared (FLIR) sensor that displays an infrared image of the target to the aircrew; it has a wide field of view search capability and a narrow field of view acquisition/targeting capability of battlefield-sized targets.