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Sound reinforcement and public address loudspeakers have sensitivities of perhaps 95 to 102 dB for 1 W @ 1 m—an efficiency of 4–10%. Rock concert, stadium PA, marine hailing, etc. speakers generally have higher sensitivities of 103 to 110 dB for 1 W @ 1 m—an efficiency of 10–20%. [citation needed]
The Google Home smart speaker was released in the US on November 4, 2016, [8] [9] [10] and in the UK on April 6, 2017. [ 11 ] [ 12 ] In May 2017, Google announced that Home would be heading to Australia, Canada, France, Germany, and Japan in middle 2017, [ 13 ] [ 14 ] and the device subsequently became available for pre-order in Canada on June ...
Boston Dynamics, Inc., is an American engineering and robotics design company founded in 1992 as a spin-off from the Massachusetts Institute of Technology.Headquartered in Waltham, Massachusetts, Boston Dynamics has been owned by the Hyundai Motor Group since December 2020, but having only completed the acquisition in June 2021.
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On November 4, 2017, the 70th anniversary of the only flight of the H-4 Hercules was celebrated at the Evergreen Aviation & Space Museum with Hughes' paternal cousin Michael Wesley Summerlin and Brian Palmer Evans, son of Hughes radio technology pioneer Dave Evans, taking their positions in the recreation of a photo that was previously taken of ...
Melvin Jerome Blanc (born Blank / b l æ ŋ k /; [2] [3] May 30, 1908 – July 10, 1989) [4] was an American voice actor and radio personality whose career spanned over 60 years. . During the Golden Age of Radio, he provided character voices and vocal sound effects for comedy radio programs, including those of Jack Benny, Abbott and Costello, Burns and Allen, The Great Gildersleeve, Judy ...