Template:Selected anniversaries/August 7: Difference between revisions
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||1944 – IBM dedicates the first program-controlled calculator, the Automatic Sequence Controlled Calculator (known best as the Harvard Mark I). | ||1944 – IBM dedicates the first program-controlled calculator, the Automatic Sequence Controlled Calculator (known best as the Harvard Mark I). | ||
||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. | ||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 – Tokyo Telecommunications Engineering, the precursor to Sony, sells its first transistor radios in Japan. | ||1955 – Tokyo Telecommunications Engineering, the precursor to Sony, sells its first transistor radios in Japan. | ||
Revision as of 16:42, 6 July 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.
2017: Dennis Paulson celebrates twenty-first anniversary of Viking 2 entering Mars orbit.