Periscope - Wikipedia
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 …
Periscope (service) - Wikipedia
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.
What Is Periscope, Periscope Science Project, Working And Uses
A periscope is defined as an instrument used for observing over, around or through an obstacle or object which is prevented by direct line of sight. It consists of an outer case with mirrors at each end at 45° angle.
Periscope Is Officially Dead After Six Years of Live Streaming
2021年4月5日 · Periscope, a service that played a major role in catapulting mobile live streaming to the forefront, is shutting down for good. In December 2020, Twitter announced its decision to close Periscope by March 2021.
Periscope | Submarine, Viewing, Mirrors | Britannica
Periscope, optical instrument used in land and sea warfare, submarine navigation, and elsewhere to enable an observer to see his surroundings while remaining under cover, behind armour, or submerged. A periscope includes two mirrors or reflecting prisms to …
Periscope shuts down, six years after popularizing mobile ...
2021年3月31日 · Periscope, the app that popularized live streaming from smartphones, is shutting down today, just over six years after it launched. The service has already been removed from app stores,...
Periscope: Definition, Diagram, Types, Working Principle, Uses
2023年11月21日 · A periscope is a device used to look over, around, or through an object, impediment, or circumstance that precludes direct line-of-sight observation from the observer’s current location. Periscopes were commonly utilised in submarines and trenches to watch enemy movements while remaining undetected.
- 某些结果已被删除