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Long-range optical wireless communication or free-space optical communication (FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunications or computer networking over long distances. "Free space" means air, outer space, vacuum, or something similar.
James Madison (1751–1836) was a Founding Father of the United States and its fourth president, serving from March 4, 1809, to March 4, 1817.Dubbed the "Father of the Constitution" for his role in creating the U.S. Constitution, he had been dissatisfied with the weak government under the Articles of Confederation, and helped organize the Constitutional Convention of 1787.
The building envelope or enclosure is all of the elements of the outer shell that maintain a dry, heated, or cooled indoor environment and facilitate its climate control. Building envelope design is a specialized area of architectural and engineering practice that draws from all areas of building science and indoor climate control.
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2. Make an Old Garage Door Look New. Another way to improve the look of your garage door without blowing your budget is to paint it. "People tend to underestimate just how big a garage door is ...
RSS enclosures are a way of attaching multimedia content to RSS feeds with the purpose of allowing that content to be prefetched. [1] Enclosures provide the URL of a file associated with an entry, such as an MP3 file to a music recommendation or a photo to a diary entry. Unlike e-mail attachments, enclosures are merely hyperlinks to files.
Exterior of a Stevenson screen. A Stevenson screen or instrument shelter is a shelter or an enclosure used to protect meteorological instruments against precipitation and direct heat radiation from outside sources, while still allowing air to circulate freely around them. [1]
A loudspeaker enclosure or loudspeaker cabinet is an enclosure (often rectangular box-shaped) in which speaker drivers (e.g., loudspeakers and tweeters) and associated electronic hardware, such as crossover circuits and, in some cases, power amplifiers, are mounted.