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Chlorine trifluoride is an interhalogen compound with the formula ClF3. It is a colorless, poisonous, corrosive, and extremely reactive gas that condenses to a pale-greenish yellow liquid, the form in which it is most often sold (pressurized at room temperature). It is famous for its extreme oxidation properties.
The history of the single-lens reflex camera (SLR) begins with the use of a reflex mirror in a camera obscura described in 1676, but it took a long time for the design to succeed for photographic cameras. The first patent was granted in 1861, and the first cameras were produced in 1884, but while elegantly simple in concept, they were very ...
ISSN. 1049-7285. The American Prospect is a daily online and bimonthly print American political and public policy magazine dedicated to American modern liberalism and progressivism. Based in Washington, D.C., The American Prospect says it "is devoted to promoting informed discussion on public policy from a progressive perspective." [1]
The Constellation-class multi-mission guided-missile frigates of the United States Navy are based on the European multipurpose frigates ( FREMM ), already in service with the French and Italian navies. Constellation follows the modular but problematic littoral combat ships of the Freedom and Independence classes. [14]
The House on Friday passed a modified surveillance bill, just two days after an earlier version failed to advance in a public rebuke to GOP leadership.
New Perspective (song) " New Perspective " is a song by American rock band Panic! at the Disco, released on July 28, 2009, as a single promoting the film Jennifer's Body. Vocalist Brendon Urie began writing the song two years prior to its recording regarding a lucid dream he had. The song was completed in the summer of 2009, and was co-written ...
A jury that will decide Trump’s fate begins to take shape as first criminal trial powers ahead. There are two Donald Trump criminal trials now taking place. There’s the one in a Manhattan ...
Early photographic camera lenses (1800–1890) Biconvex (or double convex) lens with aperture stop in front of it. The early photographic experiments of Thomas Wedgwood, Nicéphore Niépce, Henry Fox Talbot, and Louis Daguerre all used simple single-element convex lenses. [2] : 55 These lenses were found lacking.