Today in History – July 29, 1958 – NASA is established. Before the launch of Sputnik, the United States felt confident in its position on space technology. The modern liquid fueled rocket had been invented in America by Robert Goddard. In addition Wernher von Braun, the developer of the successful German V2 rocket was working [...]

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Today in History – July 20, 1969 – Armstrong and Aldrin walked on the moon, fulfilling President Kennedy’s challenge to put a “man” on the moon before the end of the decade. With a tight development and execution schedule, any number of things could have gone wrong. Instead, the major flaw, from the public’s knowledge,  [...]

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Today in history – July 12, 1872 -  Elijah McCoy created an invention that has made him arguably the most notable African American inventor ever. His birth date is still unknown although the date is speculated by many sources ranging from March 27, 1843 to May 2, 1844. His story would not have been possible [...]

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Today in History – July 6, 1997 – the Sojourner Rover (above), carried by the Pathfinder spacecraft, rolled onto the Mars’ surface. Click on the image above right to see a video of its initial positioning. Sojourner was designed as a six-wheeler that used a rocker-bogie suspension system; each wheel having its own drive motor, [...]

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Today in History – July 4, 1997 – Launched on December 4, 1996, Pathfinder impacted the surface of Mars on July 4, 1997 at a velocity of  18 m/s (40 mph) and then bounced into the air 15 times at a maximum height of  15 meters (50 feet), before rolling and coming to rest  1 [...]

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