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The official position taken by the Wikimedia Foundation is that "faithful reproductions of two-dimensional public domain works of art are public domain".This photographic reproduction is therefore also considered to be in the public domain in the United States.
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]
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".
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 ...
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.
Haycarb PLC is a coconut shell-based activated carbon manufacturing company in Sri Lanka. [2] Haycarb was incorporated in 1973. The company controls 16% of the world's market share. [3] Haycarb operates manufacturing plants in Sri Lanka, Thailand and Indonesia, while marketing offices are located in the United States, the United Kingdom and ...