搜尋結果
An infrared spectroscopy correlation table (or table of infrared absorption frequencies) is a list of absorption peaks and frequencies, typically reported in wavenumber, for common types of molecular bonds and functional groups. [1] [2] In physical and analytical chemistry, infrared spectroscopy (IR spectroscopy) is a technique used to identify ...
The High-frequency Active Auroral Research Program ( HAARP) is a University of Alaska Fairbanks program which researches the ionosphere – the highest, ionized part of Earth's atmosphere . The most prominent instrument at HAARP is the Ionospheric Research Instrument (IRI), a high-power radio frequency transmitter facility operating in the high ...
The Manhattan Project was a program of research and development undertaken during World War II to produce the first nuclear weapons. It was led by the United States in collaboration with the United Kingdom and Canada. From 1942 to 1946, the project was under the direction of Major General Leslie Groves of the U.S. Army Corps of Engineers ...
On January 6, 2021, the United States Capitol Building in Washington, D.C., was attacked by a mob[34][35][36] of supporters of then-U.S. president Donald Trump, two months after his defeat in the 2020 presidential election. They sought to keep Trump in power by occupying the Capitol and preventing a joint session of Congress counting the ...
Hudson Institute is an American conservative think tank based in Washington, D.C.[8][9][10] It was founded in 1961 in Croton-on-Hudson, New York, by futurist Herman Kahn and his colleagues at the RAND Corporation. Kahn was a physicist and military consultant known for envisioning nuclear war scenarios. The institute's research branched out ...
PubMed. PubMed is a free database including primarily the MEDLINE database of references and abstracts on life sciences and biomedical topics. The United States National Library of Medicine (NLM) at the National Institutes of Health maintains the database as part of the Entrez system of information retrieval.
Don Quixote is a Spanish epic novel by Miguel de Cervantes.It was originally published in two parts, in 1605 and 1615. Considered a founding work of Western literature, it is often labelled as the first modern novel and the greatest work ever written. Don Quixote is also one of the most-translated books in the world and one of the best-selling novels of all time.
