Hello ladies and gents this is the viking telling you that today we are talking about
I hope you liked this post and as always have a chilled day from the Viking.
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.
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 calculator to figure that out.
Spirit Lands on Mars
January 4, 2004
Spirit, a NASA Mars Rover, lands successfully on Mars.
I hope you liked this post and as always have a chilled day from the Viking.
Comments
Post a Comment