In 1744, James Bradley announced the discovery of Earth’s motion of nutation, or wobble.
James Bradley discovered nutation, the oscillation of the earth’s axis, caused by the changing direction of the gravitational pull of the moon on the equatorial bulge.
Learn more at http://www.answers.com/topic/james-bradley
In 1897, Thomas Edison gave his first public demonstration of incandescent lighting.
In 1974, Popular Electronics displayed Altair 8800 computer.
For just $439, Popular Electronics said that it was “the most powerful computer ever presented as a construction project in any electronics magazine.”
Learn more at http://oldcomputers.net/altair.html
In 1997, Microsoft bought Hotmail.
Today, Hotmail has provisioned well over a billion inboxes and has several hundred million active users around the world.
Learn more at http://windowsteamblog.com/windows_live/b/windowslive/archive/2010/01/06/a-short-history-of-hotmail.aspx