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1625: Giovanni Faber of Bamberg (1574–1629) of the Linceans, after seeing Galileo's occhiolino, coins the word microscope by analogy with telescope. 1655: In an investigation by Willem Boreel, Dutch spectacle-maker Johannes Zachariassen claims his father, Zacharias Janssen, invented the compound microscope in 1590. Zachariassen's claimed ...
David Edward Hughes (16 May 1830 – 22 January 1900), was a British-American inventor, practical experimenter, and professor of music known for his work on the printing telegraph and the microphone. [3] He is generally considered to have been born in London but his family moved around that time so he may have been born in Corwen, Wales. [4]
During the second generation (1930s–1940s), radio became a popular source of entertainment, and "barn dance" shows featuring country music were started all over the South, as far north as Chicago, and as far west as California. The most important was the Grand Ole Opry, aired starting in 1925 by WSM in Nashville and continuing to the present day.
Zacharias Janssen; also Zacharias Jansen or Sacharias Jansen; 1585 – pre-1632 [1]) was a Dutch spectacle-maker who lived most of his life in Middelburg.He is associated with the invention of the first optical telescope and/or the first truly compound microscope, but these claims (made 20 years after his death) may be fabrications put forward by his son.
The single-lens microscopes of Van Leeuwenhoek were relatively small devices, the largest being about 5 cm long. [41] [42] They are used by placing the lens very close in front of the eye. The other side of the microscope had a pin, where the sample was attached in order to stay close to the lens.
Ring-and-spring microphones, such as this Western Electric microphone, were common during the electrical age of sound recording c. 1925–45.. The second wave of sound recording history was ushered in by the introduction of Western Electric's integrated system of electrical microphones, electronic signal amplifiers and electromechanical recorders, which was adopted by major US record labels in ...
OPINION: Black contributions to country music have been completely whitewashed and erased, but Beyoncé’s latest musical endeavor is forcing America to remember what Black people built. The post ...
The Detroit Free Press also lauded the film, and wrote, "It makes sense that a country music documentary would know how to tell a good story. America's Music: The Roots of Country, a rich three-part retrospective that kicks off tonight on TBS, tells a dandy one. And though Kris Kristofferson is credited as narrator on the six-hour documentary ...