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May 30, 2017 AT 6:00 am

Time Travel Tuesday #timetravel a look back at the Adafruit, maker, science, technology and engineering world

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1922 – The Lincoln Memorial is dedicated in Washington, D.C..

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The Lincoln Memorial is an American national monument built to honor the 16th President of the United States, Abraham Lincoln. It is located on the western end of the National Mall in Washington, D.C., across from the Washington Monument. The architect was Henry Bacon; the designer of the primary statue – Abraham Lincoln, 1920 – was Daniel Chester French; the Lincoln statue was carved by the Piccirilli Brothers; and the painter of the interior murals was Jules Guerin. Dedicated in 1922, it is one of several monuments built to honor an American president. It has always been a major tourist attraction and since the 1930s has been a symbolic center focused on race relations.

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1963 – Helen Sharman, English chemist and astronaut is born.

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Dr. Helen Patricia Sharman OBE FRSC is a British chemist who became the first British astronaut and the first woman to visit the Mir space station in 1991.

Sharman was born in Grenoside, Sheffield, where she attended Grenoside Junior and Infant School, later moving to Greenhill. After studying at Jordanthorpe Comprehensive, she received a BSc in chemistry at the University of Sheffield in 1984 and a PhD from Birkbeck, University of London. She worked as a research and development technologist for GEC in London and later as a chemist for Mars Incorporated dealing with flavourant properties of chocolate.

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1971 – Mariner program: Mariner 9 is launched to map 70% of the surface, and to study temporal changes in the atmosphere and surface, of Mars.

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Mariner 9 was an unmanned NASA space probe that contributed greatly to the exploration of Mars and was part of the Mariner program. Mariner 9 was launched toward Mars on May 30, 1971 from Cape Canaveral Air Force Station and reached the planet on November 14 of the same year, becoming the first spacecraft to orbit another planet – only narrowly beating the Soviets’ Mars 2 and Mars 3, which both arrived within a month. After months of dust storms it managed to send back clear pictures of the surface.

Mariner 9 returned 7329 images over the course of its mission, which concluded in October 1972.

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1975 – European Space Agency is established.

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The European Space Agency is an intergovernmental organisation of 22 member states, dedicated to the exploration of space. Established in 1975 and headquartered in Paris, France, ESA has a worldwide staff of about 2,000 and an annual budget of about €5.25 billion / US$5.77 billion (2016).

ESA’s space flight programme includes human spaceflight (mainly through participation in the International Space Station programme); the launch and operation of unmanned exploration missions to other planets and the Moon; Earth observation, science and telecommunication; designing launch vehicles; and maintaining a major spaceport, the Guiana Space Centre at Kourou, French Guiana. The main European launch vehicle Ariane 5 is operated through Arianespace with ESA sharing in the costs of launching and further developing this launch vehicle.

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1975 – Marissa Mayer, American computer scientist and businesswoman is born.

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Marissa Ann Mayer is an American information technology executive, currently serving as the president and CEO of Yahoo!, a position she has held since July 2012. In January 2017, it was announced that she will step down from the company’s board upon the sale of Yahoo!’s operating business to Verizon Communications. She is a graduate of Stanford, and was a long-time executive, usability leader, and key spokesperson for Google.

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2015 – Ladyada interview with Paul Horowitz – The Art of Electronics (48 minute video) @adafruit @electronicsbook

Ladyada interviews Paul Horowitz, co-author of the Art of Electronics. This is a historic 48 minute interview with 2 of the most interesting minds in electronics!

Paul Horowitz is a Research Professor of Physics and of Electrical Engineering at Harvard University, where in 1974 he originated the Laboratory Electronics course from which emerged The Art of Electronics. In addition to his work in circuit design and electronic instrumentation, his research interests have included observational astrophysics, x-ray and particle microscopy, and optical interferometry. He is one of the pioneers of the search for intelligent life beyond Earth (SETI). He is the author of some 200 scientific articles and reports, has consulted widely for industry and government, and is the designer of numerous scientific and photographic instruments (read more).


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