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The Cosmic Background Explorer (COBE / ˈ k oʊ b i / KOH-bee), also referred to as Explorer 66, was a NASA satellite dedicated to cosmology, which operated from 1989 to 1993.Its goals were to investigate the cosmic microwave background radiation (CMB or CMBR) of the universe and provide measurements that would help shape our understanding of the cosmos.
The copper cables (transmission lines) which are used to carry lower-frequency radio waves to antennas have excessive power losses at microwave frequencies, and metal pipes called waveguides are used to carry them. Although at the low end of the band the atmosphere is mainly transparent, at the upper end of the band absorption of microwaves by ...
Netscape 7.0 was released in 2002. It was based on a more stable and notably faster Mozilla 1.0 core and bundled with extras like integrated AOL Instant Messenger, integrated ICQ, Radio@Netscape, and new features such as tabbed browsing Archived June 12, 2007, at the Wayback Machine.
IEEE 802.11be, dubbed Extremely High Throughput (EHT), is a wireless networking standard in the IEEE 802.11 set of protocols [9] [10] which is designated Wi-Fi 7 by the Wi-Fi Alliance.
Blood alcohol content (BAC), also called blood alcohol concentration or blood alcohol level, is a measurement of alcohol intoxication used for legal or medical purposes. [1] ...
The Vampire Diaries, an American supernatural drama, was renewed for a seventh season by The CW on January 11, 2015, [1] and premiered on October 8, 2015. [2] On March 11, 2016, The CW renewed The Vampire Diaries for an eighth season, [3] which was confirmed to be the final one in July 2016.
Engineering notation or engineering form (also technical notation) is a version of scientific notation in which the exponent of ten is always selected to be divisible by three to match the common metric prefixes, i.e. scientific notation that aligns with powers of a thousand, for example, 531×10 3 instead of 5.31×10 5 (but on calculator displays written without the ×10 to save space).
Windows 7 is a major release of the Windows NT operating system developed by Microsoft.It was released to manufacturing on July 22, 2009, and became generally available on October 22, 2009. [10]