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Celestial navigation using the periscope, or sextant—seldom used anymore due to advancement in technology; Radar navigation; radar signals are easily detected so radar is normally only used in friendly waters entering and exiting ports. With the implementation of a more advanced radar system, many new techniques have been implemented in this ...
A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position. [1] [2] In its simplest form, it consists of an outer case with mirrors at each end set parallel to each other at a 45° angle.
Periscope was an American live video streaming app for Android and iOS developed by Kayvon Beykpour and Joe Bernstein and acquired by Twitter, Inc. before its launch in March 2015. The service was discontinued on 31 March 2021 due to declining usage, product realignment, and high maintenance costs.
The Drake is part of the most voluminous ocean current in the world, with up to 5,300 million cubic feet flowing per second. Squeezed into the narrow passage, the current increases, traveling west ...
French officials are looking into the death of a young woman who jumped in front of a commuter train live on Periscope. Periscope suicide could lead to closer scrutiny of live streaming apps Skip ...
On 8 January 2007, USS Newport News was transiting submerged in the Strait of Hormuz when she hit the Japanese tanker Mogamigawa. [12] She had been operating as part of Carrier Strike Group 8 (CSG-8), organised around the aircraft carrier USS Dwight D. Eisenhower [13] and dispatched to the Indian Ocean to help support operations in Somalia.
Within a few years, they were able to dismiss the even smaller chance of a hit in 2036. Images of the asteroid Apophis, captured in 2012, allowed scientists to determine that it will not strike ...
APT40, also known as BRONZE MOHAWK (by Secureworks), [1] FEVERDREAM, G0065, GADOLINIUM (formerly by Microsoft), [2] Gingham Typhoon [3] (by Microsoft), GreenCrash, Hellsing (by Kaspersky), [4] Kryptonite Panda (by Crowdstrike), Leviathan (by Proofpoint), [5] MUDCARP, Periscope, Temp.Periscope, and Temp.Jumper, is an advanced persistent threat operated by the Hainan State Security Department, a ...