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1945
•Vannevar Bush proposes hypertext.
•The atomic bomb invented.
1946
•The microwave oven invented by Percy Spencer.
1947
•British/Hungarian scientist, Dennis Gabor, developed the theory of holography.
•Mobile phones first invented. Although cell phones were not sold commercially until 1983.
•Bardeen, Brattain, and Shockley invent the transistor.
•Earl Silas Tupper patented the Tupperware seal.
1948
•The Frisbee ® invented by Walter Frederick Morrison and Warren Franscioni.
•Velcro ® invented by George de Mestral.
•Robert Hope-Jones invented the Wurlitzer jukebox.
1949
•Cake mix invented.
1950
•The first credit card (Diners) invented by Ralph Schneider.
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What are some of Lonnie Johnson's inventions?
A main one was the Super Soaker. He also helped with Nasa.
What was not a benefit of agricultural inventions?
Animals were not given more land to graze upon as a result of agricultural inventions.
What were some of Mark Twain's inventions?
he had three patented inventions. The Improvement in Adjustable and Detachable Straps for Garments, which was suppose to replace suspenders. The Self pasting scrapbook that had adhesive already on it. and the Mark Twain memory builder, which was a game to help remember historic facts.
When was the current Missouri Constitution adopted?
Texas wrote its first constitution in 1836, but its current constitution has been in place since February 15, 1876. The Texas Bill of Rights is contained in Article 1 of its current constitution.
Why is david crosthwait famous?
he was famous for his good inventions
