History What happened on this day in science history?

[Greg Bernhardt]

Stop by every day to see a fun historical science fact for that day.

 

[Greg Bernhardt]

May 6 1742-Birthday of Jean Senebier, discovered when green plants are exposed to sunlight they take in carbon dioxide, give off oxygen.

http://en.wikipedia.org/wiki/Jean_Senebier

 

[Greg Bernhardt]

May 7 1909-Birthday of physicist Edwin H. Land, invented the Polaroid camera, which developed the picture inside the camera in 60 sec.

http://en.wikipedia.org/wiki/Edwin_H._Land

 

[Greg Bernhardt]

May 8 1902-Mount Pelee erupted on the island of Martinique in the Caribbean.

http://en.wikipedia.org/wiki/Mount_Pelée

 

[Greg Bernhardt]

May 9 1962-Scientists at MIT successfully bounced a laser beam off the Moon for the first time.

 

[Greg Bernhardt]

May 10 1930-The first planetarium in the US opened to the public, the Adler Planetarium in Chicago, Illinois.

http://www.adlerplanetarium.org/

http://en.wikipedia.org/wiki/Adler_Planetarium

 

[Greg Bernhardt]

May 11 1928-Station WGY in Schenectady, New York, began the first regularly scheduled TV broadcasts in the US.

http://en.wikipedia.org/wiki/WGY_(AM )

 

[Greg Bernhardt]

May 30 1898-Chemists William Ramsay and Morris Travers discovered the inert gas krypton.

 

[Greg Bernhardt]

June 2 1922-Birthday of geochemist Clair Patterson, who made the first accurate estimate of the age of the Earth, 4.6 billion years.

 

[Greg Bernhardt]

June 3 1726-James Hutton born, proposed all geological features can be explained as result of slow changes taking place over MANY years.

 

[Greg Bernhardt]

June 4 1984-Scientists at Berkeley cloned a DNA sequence from a quagga, an extinct subspecies of zebra from South Africa.

 

[Greg Bernhardt]

June 5 1995-Physicists Eric Cornell & Carl Wieman created a new state of matter called a Bose-Einstein condensate.

 

[Greg Bernhardt]

June 6 1683-The Ashmolean Museum of Art and Archaeology in Oxford, England, was opened to the public. World's 1st public museum.

 

[Greg Bernhardt]

June 8 1955-Birthday of physicist Tim Berners-Lee, who invented the World Wide Web.

 

[Greg Bernhardt]

June 15 1752-Benjamin Franklin performed his famous kite experiment, proving that lightning is a form of electricity.

 

[gleem]

April, 21 1972

Apollo 16 with John Young and Charles Duke made the fifth manned landing on the Moon remaining their for 71 hrs.

 

[gleem]

April 22, 1970

The first nationwide Earth Day was celebrated on this date.

 

[gleem]

For those who wish to know what significant happened ( births, deaths, events.) any day in Science go to https://todayinsci.com/4/4_23.htm .