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4 Wheeled Skates Patented in US
January 4, 1863 4 wheeled roller skates are patented in the United States by James Plimpton of New York. Plimpton’s design was the first dry-land skate that could maneuver in a smooth curve and which allowed for turns and the ability to skate backwards. 4 Wheeled Skates Patented in US is original content of This Day in…
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4 Wheeled Skates Patented in US
January 4, 1863 4 wheeled roller skates are patented in the United States by James Plimpton of New York. Plimpton’s design was the first dry-land skate that could maneuver in a smooth curve and which allowed for turns and the ability to skate backwards. 4 Wheeled Skates Patented in US is original content of This Day in…
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Sputnik 1 Falls
January 4, 1958 After nearly 3 months in orbit, the first Earth-orbiting artificial satellite, Sputnik 1 falls to Earth. Sputnik 1 Falls is original content of This Day in Tech History. This Day in Tech History Tech History provided by This Day in Tech History.com
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First Handheld Scientific Calculator
January 4, 1972 Hewlett-Packard introduces the first handheld scientific calculator, the HP-35. The precision of the calculator was greater than most mainframe computers of its time. For such a technological achievement, the name of the calculator is simply derived from the fact that it has 35 buttons. I wonder if they had to use the…
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First Electric Watch Introduced
January 3, 1957 The Hamilton Watch Company introduces the first electric watch. The Hamilton Electric 500 was the first watch to never need winding. However its battery life was so short that frequent battery replacements were necessary. Plus, as a first of breed, the watch was not very reliable. However, it was an instant hit…
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Apple Computer Grows Up
January 3, 1977 Less than one year after its founding, the world’s first personal computer company, Apple Computer, Inc. is incorporated. Pictured is the original Apple Computer, Inc. logo from 1977. The “Rainbow Apple Logo” was used through 1999. Apple Computer Grows Up is original content of This Day in Tech History. This Day in…
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Apple Computer Grows Up
January 3, 1977 Less than one year after its founding, the world’s first personal computer company, Apple Computer, Inc. is incorporated. Pictured is the original Apple Computer, Inc. logo from 1977. The “Rainbow Apple Logo” was used through 1999. Apple Computer Grows Up is original content of This Day in Tech History. This Day in…
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Apple Computer Grows Up
January 3, 1977 Less than one year after its founding, the world’s first personal computer company, Apple Computer, Inc. is incorporated. Pictured is the original Apple Computer, Inc. logo from 1977. The “Rainbow Apple Logo” was used through 1999. Apple Computer Grows Up is original content of This Day in Tech History. This Day in…
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Motorola StarTAC Introduced
January 3, 1996 Motorola introduces the StarTAC, the first clamshell flip cell phone. The smallest and lightest cell phone available at the time, the StarTAC’s “wearability” made it one of the first cell phones to achieve mainstream popularity. About 60 million StarTAC phones were sold over the series’ lifetime, becoming the stereotype for what most…
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Mars Polar Lander Launched
January 3, 1999 The Mars Polar Lander is launched. The mission ultimately ended in failure during an attempted landing on Mars’ surface. Attempts to re-establish communication with the lander failed after the lander entered Mars’ atmosphere. It has been concluded that the most likely cause of the failure was a software error, causing the lander…