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

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1568 – Virginia de’ Medici is born

Virginia de medici

Regent of the Duchy of Modena and Reggio during the absence of her husband, she was able to protect the autonomy of the city of Modena from the attacks of the local Podestà and Judge.

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1913 – The Rite of Spring, Igor Stravinsky’s ballet score, premieres in Paris, France, provoking an uproar among the audience.

NikolaiRoerichRite1

It was written for the 1913 Paris season of Sergei Diaghilev’s Ballets Russes company; the original choreography was by Vaslav Nijinsky, with stage designs and costumes by Nicholas Roerich. When first performed, at the Théâtre des Champs-Élysées on 29 May 1913, the avant-garde nature of the music and choreography caused a sensation and a near-riot in the audience. Although designed as a work for the stage, with specific passages accompanying characters and action, the music achieved equal if not greater recognition as a concert piece and is widely considered to be one of the most influential musical works of the 20th century.

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1919 – Einstein’s theory of general relativity is tested by Arthur Eddington and Andrew Claude de la Cherois Crommelin.

1260px Spacetime lattice analogy svg

General relativity (GR, also known as the general theory of relativity or GTR) is the geometric theory of gravitation published by Albert Einstein in 1915 and the current description of gravitation in modern physics. General relativity generalizes special relativity and Newton’s law of universal gravitation, providing a unified description of gravity as a geometric property of space and time, or spacetime. In particular, the curvature of spacetime is directly related to the energy and momentum of whatever matter and radiation are present. The relation is specified by the Einstein field equations, a system of partial differential equations.

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1950 – The St. Roch, the first ship to circumnavigate North America, arrives in Halifax, Nova Scotia, Canada.

St Roch schooner wintering in the Beaufort Sea

RCMPV St. Roch is a Royal Canadian Mounted Police schooner, the first ship to completely circumnavigate North America, and the second sailing vessel to complete a voyage through the Northwest Passage. She was the first ship to complete the Northwest Passage in the direction west to east (Pacific to the Atlantic Ocean), going the same route that Amundsen on the sailing vessel Gjøa went east to west, 38 years earlier.

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1973 – Tom Bradley becomes the first black mayor of Los Angeles.

Los Angeles Mayor Tom Bradley meets with Rodolfo Escalera Crop

His entry into politics came when he decided to become the president of the United Club. The club was part of the California Democratic Council, a liberal, reformist group organized in the 1950s by young Democrats energized by Adlai E. Stevenson’s presidential campaigns. It was predominantly white and had many Jewish members, thus marking the beginnings of the coalition, which along with Latinos, that would carry him to electoral victory so many times.

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Make a robot friend with Adafruit’s CRICKIT – A Creative Robotics & Interactive Construction Kit. It’s an add-on to our popular Circuit Playground Express, FEATHER and other platforms to make and program robots with CircuitPython, MakeCode, and Arduino. Start controlling motors, servos, solenoids. You also get signal pins, capacitive touch sensors, a NeoPixel driver and amplified speaker output. It complements & extends your boards so you can still use all the goodies on the microcontroller, now you have a robotics playground as well.

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