Search results
Results From The WOW.Com Content Network
The prototype telephone was invented by Alexander Graham Bell in 1876. The phonograph is invented in 1877 by Thomas Edison. The 6.35mm headphone jack was invented in 1878 and is still widely used today. The first version of the light bulb was invented by Thomas Edison in 1879. The steam drill is invented in 1879.
The first rotary can opener with a cutting wheel was invented in 1870 by William W. Lyman, of Meriden, Connecticut, who received a U.S. Patent 105,346 on July 12, 1870. In 1925 the Star Can Opener Company of San Francisco improved on Lyman's wheel blade by adding a second, serrated or toothed wheel, called a "feed wheel" or "turning gear" to ...
1974: The lithium-ion battery is invented by M. Stanley Whittingham, and further developed in the 1980s and 1990s by John B. Goodenough, Rachid Yazami and Akira Yoshino. It has impacted modern consumer electronics and electric vehicles. [508] 1974: The Rubik's cube is invented by Ernő Rubik which went on to be the best selling puzzle ever. [509]
The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War
c. 1794 – Elizabeth Fulhame invented the concept of catalysis and discovered photoreduction. She describes catalysis as a process at length in her 1794 book An Essay On Combustion with a View to a New Art of Dying and Painting, wherein the Phlogistic and Antiphlogistic Hypotheses are Proved Erroneous .
1870 – Louis Pasteur and Robert Koch establish the germ theory of disease. 1878 – Ellis Reynolds Shipp graduates from the Women's Medical College of Pennsylvania and begins practice in Utah. 1879 – First vaccine for cholera. 1881 – Louis Pasteur develops an anthrax vaccine. 1882 – Louis Pasteur develops a rabies vaccine.
The cores of copying pencils, which appear to have been introduced in the 1870s, were made from a mixture of graphite, clay, and aniline dye. By the late 1870s, an improved method for moistening pages in copying books had been invented, and by the late 1880s it had been widely adopted.
The Babcock test was the first inexpensive and practical test which were used to determine the fat content of milk. Invented by Stephen Moulton Babcock in 1890, the test was developed to prevent dishonest farmers who could, until the 1890s, water down their milk or remove some cream before selling it to the factories because milk was paid by ...