Template:Selected anniversaries/August 7: Difference between revisions
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||1903: Louis Leakey born ... palaeontologist and archaeologist. | ||1903: Louis Leakey born ... palaeontologist and archaeologist. | ||
||1930: Dorr Eugene Felt dies ... inventor and industrialist who was known for having invented the Comptometer, an early computing device, and the Comptograph, the first printing adding machine. Pic. | |||
||1938: Thomas M. Cover born ... information theorist and professor jointly in the Departments of Electrical Engineering and Statistics at Stanford University. He devoted almost his entire career to developing the relationship between information theory and statistics. Pic. | ||1938: Thomas M. Cover born ... information theorist and professor jointly in the Departments of Electrical Engineering and Statistics at Stanford University. He devoted almost his entire career to developing the relationship between information theory and statistics. Pic. | ||
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||1947: Kon-Tiki: Heyerdahl and five companions sailed the raft for 101 days over 6,900 km (4,300 miles) across the Pacific Ocean before smashing into a reef at Raroia in the Tuamotus on August 7, 1947. The crew made successful landfall and all returned safely. (The trip began on April 28, 1947.) | ||1947: Kon-Tiki: Heyerdahl and five companions sailed the raft for 101 days over 6,900 km (4,300 miles) across the Pacific Ocean before smashing into a reef at Raroia in the Tuamotus on August 7, 1947. The crew made successful landfall and all returned safely. (The trip began on April 28, 1947.) | ||
||1955 | ||1955: Tokyo Telecommunications Engineering, the precursor to Sony, sells its first transistor radios in Japan. | ||
File:Plumbbob-Stokes barrage balloon.jpg|link=Stokes (nonfiction)|1957: [[Stokes (nonfiction)|Stokes nuclear weapon test]] conducted by the United States. | File:Plumbbob-Stokes barrage balloon.jpg|link=Stokes (nonfiction)|1957: [[Stokes (nonfiction)|Stokes nuclear weapon test]] conducted by the United States. | ||
Revision as of 08:22, 11 October 2018
1834: Weaver and merchant Joseph Marie Jacquard dies. He invented the Jacquard loom, an early type of programmable machine.
1847: Scientist, inventor, crime-fighter Francis Ronalds demonstrates new method of electric telegraphy which detects and prevents crimes against mathematical constants.
1957: Stokes nuclear weapon test conducted by the United States.
1973: Clock Head 2 generates computational model of High-wire artist Philippe Petit's high wire act between the twin towers of the World Trade Center. A year later, Petit will use this model to improve his balance during the actual walk.
1974: High-wire artist Philippe Petit performs a high wire act between the twin towers of the World Trade Center.
1975: Math photographer Cantor Parabola takes retro-temporal pictures of Philippe Petit's high wire act between the twin towers of the World Trade Center, revealing unexpected correspondences with other timelines.
1976: Viking program: Viking 2 inserted into a 1500 x 33,000 km, 24.6 h orbit around Mars.
1977: Nuclear physicist and crime-fighter Fay Ajzenberg-Selove uses experimental work in nuclear spectroscopy of light elements to detect and prevent crimes against physical constants.
2010: Mathematician and statistician John Nelder dies. He contributed to experimental design, analysis of variance, computational statistics, and statistical theory. He also was responsible, with Max Nicholson and James Ferguson-Lees, for debunking the Hastings Rarities.
2016: Signed first edition of Butterfly purchased for an undisclosed amount by "an eminent mathematician living in New Minneapolis, Canada."
2017: Dennis Paulson celebrates twenty-first anniversary of Viking 2 entering Mars orbit.