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Each WonderWorks location contains interactive entertainment exhibits on the themes of space, physics, and math. Some locations also offer a dinner magic show, as well as a 4D XD motion theater. Each WonderWorks building is designed to look as if an existing building was ripped free of the ground by severe weather and dropped upside down on its ...
Heron (c. 10–70), Roman Egypt – usually credited with invention of the aeolipile, although it may have been described a century earlier; John Herschel (1792–1871), UK – photographic fixer (hypo), actinometer; Harry Houdini (1874–1926) U.S. – flight time illusion; Heinrich Hertz (1857–1894), Germany – radio telegraphy ...
Beulah Louise Henry was born on September 28, 1887 in Raleigh, North Carolina, [2] [3] the daughter of Walter R. and Beulah Henry. She was the granddaughter of former North Carolina Governor W. W. Holden and a direct descendant of President Benjamin Harrison and Patrick Henry.
4th century: Fishing reel in Ancient China: In literary records, the earliest evidence of the fishing reel comes from a 4th-century AD [309] work entitled Lives of Famous Immortals. [310] 347: Oil Wells and Borehole drilling in China. Such wells could reach depths of up to 240 m (790 ft). [311]
Only utility patents (or the international equivalent) are listed, as a utility patent is a patent for an invention. Not all patents are for inventions. Other patent types include: design patents for the ornamental design of an object; plant patents for plant varieties; and reissue patents, where a correction is made to an already granted patent.
Granville Tailer Woods (April 23, 1856 – January 30, 1910) was an American inventor who held more than 50 patents in the United States. [1] He was the first African American mechanical and electrical engineer after the Civil War. [2]
Wonder Works is a children's museum, a non-profit corporation established in 2002, located in the village of Oak Park, Illinois. [1] It is the successor to the Children's Museum of Oak Park, established in 1993. The museum is dedicated to the principle of offering a fun, largely self-directed playing and learning place for children.
Because Babbitt did not patent her circular saw and the reference to her invention exists only in Shaker lore, there is controversy over whether she was the true first inventor of the saw. According to some accounts, two French men patented the circular saw in the United States after reading about Babbitt's saw in Shaker papers. [5] M.