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Francisco Quisumbing is said to be a Filipino botanist claimed to be the inventor of Quink ink [1] [2] used by The Parker Pen Company. He studied in the Philippines and the US, gaining a BSc from the University of the Philippines School of Agriculture, [disputed – discuss] Los Baños in 1918 and an MSc in 1921.
The balangay was the first wooden marine vessel ever excavated in Southeast Asia. It is also known as the Butuan boat, as nine specimens of these boats, dating back to pre-Hispanic times (the earliest being in 320 CE), were discovered in 1976, Butuan, Mindanao. It is believed that the Austronesians migrated to the Philippine archipelago, riding ...
In a Polygon opinion article, Charlie Hall compared Star Citizen to No Man's Sky and Elite: Dangerous, writing that "Last time I checked, Star Citizen writ large was a hope wrapped inside a dream buried inside a few layers of controversy", while stating that each game has something different to offer within the space sim genre. [154]
Fake news in the Philippines refers to the general and widespread misinformation or disinformation in the country by various actors. It has been problematic in the Philippines where social media and alike plays a key role in influencing topics and information ranging from politics, health, belief, religion, current events, aid, lifestyle ...
The two discovered a new element in a molybdenum sample that was used in a cyclotron, the first element to be discovered by synthesis. It had been predicted by Mendeleev in 1871 as eka-manganese. [171] [172] [173] In 1952, Paul W. Merrill found its spectral lines in S-type red giants. [174]
A condition called the zinc shakes or "zinc chills" can be induced by inhalation of zinc fumes while brazing or welding galvanized materials. [150] Zinc is a common ingredient of denture cream which may contain between 17 and 38 mg of zinc per gram. Disability and even deaths from excessive use of these products have been claimed.
1932 Antielectron (or positron), the first antiparticle, discovered by Carl D. Anderson [13] (proposed by Paul Dirac in 1927 and by Ettore Majorana in 1928) : 1937 Muon (or mu lepton) discovered by Seth Neddermeyer, Carl D. Anderson, J.C. Street, and E.C. Stevenson, using cloud chamber measurements of cosmic rays [14] (it was mistaken for the pion until 1947 [15])
The oldest known pills were made of the zinc carbonates hydrozincite (described 1853) and smithsonite (described 1832). Calamine is a historic name for an ore of zinc (hemimorphite (IMA1962 s.p.) and smithsonite). [6] De architectura (about 15 BC) of Marcus Vitruvius Pollio, Libri X, vol. VII, Caput 8.