Template:Selected anniversaries/June 18: Difference between revisions

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||1865: Physicist Friedrich Carl Alwin Pockels born. He discovered that a steady electric field applied to certain birefringent materials causes the refractive index to vary, approximately in proportion to the strength of the field. This phenomenon is now called the Pockels effect. Pic search yes: https://www.google.com/search?q=Friedrich+Carl+Alwin+Pockels
||1865: Physicist Friedrich Carl Alwin Pockels born. He discovered that a steady electric field applied to certain birefringent materials causes the refractive index to vary, approximately in proportion to the strength of the field. This phenomenon is now called the Pockels effect. Pic search yes: https://www.google.com/search?q=Friedrich+Carl+Alwin+Pockels
||1865: Emil Albert Knoevenagel born ... chemist who established the Knoevenagel condensation reaction. The Knoevenagel condensation reaction of benzaldehydes with nitroalkanes is a classic general method for the preparation of nitroalkenes. Pic.


||1867: Thaddeus Cahill born ... inventor of the early 20th century. He is widely credited with the invention of the first electromechanical musical instrument, which he dubbed the telharmonium. His idea proved to be fruitful, nearly a century later, with the advent of streaming media. Pic.
||1867: Thaddeus Cahill born ... inventor of the early 20th century. He is widely credited with the invention of the first electromechanical musical instrument, which he dubbed the telharmonium. His idea proved to be fruitful, nearly a century later, with the advent of streaming media. Pic.

Revision as of 04:34, 13 April 2019

  • 1178: Five Canterbury monks see what is possibly the Giordano Bruno crater being formed. It is believed that the current oscillations of the Moon's distance from the Earth (on the order of meters) are a result of this collision.

    1178: Five Canterbury monks see what is possibly the Giordano Bruno crater being formed. It is believed that the current oscillations of the Moon's distance from the Earth (on the order of meters) are a result of this collision.

  • 1928: Aviator Amelia Earhart becomes the first woman to fly in an aircraft across the Atlantic Ocean (she is a passenger; Wilmer Stultz is the pilot and Lou Gordon the mechanic).

    1928: Aviator Amelia Earhart becomes the first woman to fly in an aircraft across the Atlantic Ocean (she is a passenger; Wilmer Stultz is the pilot and Lou Gordon the mechanic).

  • 1974: Mathematician and academic Júlio César de Mello e Souza dies. He is well known in Brazil and abroad by his books on recreational mathematics, most of them published under the pen names of Malba Tahan and Breno de Alencar Bianco.

    1974: Mathematician and academic Júlio César de Mello e Souza dies. He is well known in Brazil and abroad by his books on recreational mathematics, most of them published under the pen names of Malba Tahan and Breno de Alencar Bianco.

  • 2017: Culvert Origenes and The Governess wins Pulitzer Prize for Best Historical Illustration.

    2017: Culvert Origenes and The Governess wins Pulitzer Prize for Best Historical Illustration.

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