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  2. Light - Wikipedia

    en.wikipedia.org/wiki/Light

    The study of light, known as optics, is an important research area in modern physics. The main source of natural light on Earth is the Sun. Historically, another important source of light for humans has been fire, from ancient campfires to modern kerosene lamps.

  3. List of lighthouses in Vietnam - Wikipedia

    en.wikipedia.org/wiki/List_of_lighthouses_in_Vietnam

    Class of Light [3] Focal height [3] NGA number [3] Admiralty number [3] Range nml [3] Bãi Cháy Lighthouse: Image Archived 29 October 2016 at the Wayback Machine: n/a: Hạ Long: Fl R 2s. 17 metres (56 ft) 20224: F3296: n/a Cẩm Phả Range Front Lighthouse: n/a: Cẩm Phả

  4. Temple of Literature, Hanoi - Wikipedia

    en.wikipedia.org/wiki/Temple_of_Literature,_Hanoi

    The Văn Miếu is one of several temples in Vietnam which is dedicated to Confucius, sages, and scholars. The temple is located to the south of the Imperial Citadel of Thăng Long. The various pavilions, halls, statues, and stelae of doctors are places where offering ceremonies, study sessions, and the strict exams of the Đại Việt took

  5. Optical flow - Wikipedia

    en.wikipedia.org/wiki/Optical_flow

    Optical flow can be estimated in a number of ways. Broadly, optical flow estimation approaches can be divided into machine learning based models (sometimes called data-driven models), classical models (sometimes called knowledge-driven models) which do not use machine learning and hybrid models which use aspects of both learning based models and classical models.

  6. Quantum optics - Wikipedia

    en.wikipedia.org/wiki/Quantum_optics

    Quantum optics is a branch of atomic, molecular, and optical physics and quantum chemistry dealing with how individual quanta of light, known as photons, interact with atoms and molecules. It includes the study of the particle-like properties of photons.

  7. Vietnamese Wikipedia - Wikipedia

    en.wikipedia.org/wiki/Vietnamese_Wikipedia

    The Vietnamese Wikipedia initially went online in November 2002, with a front page and an article about the Internet Society.The project received little attention and did not begin to receive significant contributions until it was "restarted" in October 2003 [3] and the newer, Unicode-capable MediaWiki software was installed soon after.

  8. Battle of Dien Bien Phu - Wikipedia

    en.wikipedia.org/wiki/Battle_of_Dien_Bien_Phu

    The Viet Minh briefly captured Huguette 7, only to be pushed back by a French counterattack at dawn on 1 April. [79] Fighting continued in this manner over the next several nights. The Viet Minh repeatedly attacked Eliane 2, only to be beaten back. Repeated attempts to reinforce the French garrison by parachute drops were made, but had to be ...

  9. Saigon Zoo and Botanical Gardens - Wikipedia

    en.wikipedia.org/wiki/Saigon_Zoo_and_Botanical...

    The museum is split into two sections: a 15 room-area displaying items from the beginning of Vietnam to 1930, and a 6 room-area displaying artifacts from the culture and history of South Vietnam. Outside of the museum there is a large yard that displays the weapons of France, used during Vietnam's French colonial era. The museum also contains ...