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Christiaan Huygens, Lord of Zeelhem, FRS (/ ˈ h aɪ ɡ ən z / HY-gənz, [2] US also / ˈ h ɔɪ ɡ ən z / HOY-gənz; [3] Dutch: [ˈkrɪstijaːn ˈɦœyɣə(n)s] ⓘ; also spelled Huyghens; Latin: Hugenius; 14 April 1629 – 8 July 1695) was a Dutch mathematician, physicist, engineer, astronomer, and inventor who is regarded as a key figure in the Scientific Revolution.
The Huygens–Fresnel principle (named after Dutch physicist Christiaan Huygens and French physicist Augustin-Jean Fresnel) states that every point on a wavefront is itself the source of spherical wavelets, and the secondary wavelets emanating from different points mutually interfere. [1]
Early inhabitants of Sri Lanka were probably ancestors of the Vedda people, [48] an indigenous people numbering approximately 2,500 living in modern-day Sri Lanka. The 19th-century Irish historian James Emerson Tennent theorized that Galle, a city in southern Sri Lanka, was the ancient seaport of Tarshish from which King Solomon is said to have ...
St. Anthony's Group (St. Anthony's) is a Sri Lankan conglomerate company headquartered in Colombo, Sri Lanka. St. Anthony's Group owns businesses across Sri Lanka engaged in hardware, textiles, cement, roofing, media, construction, hospitality, farms, manufacturing, retail, solar and hydropower.
CIC Holdings PLC is a Sri Lankan conglomerate holding company engaged in merchandising and manufacturing chemical products.The company was incorporated in 1964 and listed on the Colombo Stock Exchange in the same year.
In regard to uploading company logo images, please note the guidelines at Wikipedia:Logos.Two relevant guidelines state: "Logos that contain corporate slogans should be omitted in favour of equivalent logos that do not", and "Generally, logos should be used only when the company and its logo are reasonably familiar".
On 25 February 2016, the entire country of Sri Lanka experienced a 3-hour blackout due to a bolt of lightning striking the national power grid. [18] On 13 March 2016, Sri Lanka experienced another 7-hour island-wide blackout due to a damaged transformer in the 220 kV substation at Biyagama.
Huygens (also Huijgens, Huigens, Huijgen/Huygen, or Huigen) is a Dutch patronymic surname, meaning "son of Hugo". Most references to "Huygens" are to the polymath Christiaan Huygens . Notable people with the surname include: