logo
Welcome, guest! ~ Login ~ Register 

Quick Search:

S9.com / Biographies /

Braun, Karl Ferdinand(Karl)

Portrait
Born: 1850 AD
Died: 1918 AD, at 67 years of age.

Nationality: German
Categories: Physicists

Edit


1850 - He was born oin the 6th of June in Fulda.

1872 - Braun was educated at the University of Marburg and received a Ph.D from the University of Berlin.

1874 - He discovered that a point-contact semiconductor rectifies alternating current.

1895 - He became director of the Physical Institute and professor of physics at the University of Strasbourg.

1897 - He built the first cathode-ray tube oscilloscope.

1898 - He invented a crystal diode rectifier or Cat's whisker diode.

1909 - Braun shared the Nobel Prize for physics with Marconi for "contributions to the development of wireless telegraphy."

1918 - Braun died in his house in Brooklyn (New York City) before the war ended on the 18th of April.





Edit

Page last updated: 4:56pm, 24th Aug '07

Related Books

The Communist Manifesto (Penguin Classics)
by Karl Marx and Friedrich Engels (Paperback - Aug 27, 2002)
"A spectre is haunting Europe," Karl Marx and Frederic Engels wrote in 1848, "the spectre of Communism." This new edition ofThe Communist Manifesto, commemorating the 150th anniversary of its...

Usually ships in 24 hours
Kaplan SAT Subject Test: Chemistry, 2008-2009 Edition (Kaplan SAT Subject Tests: Chemistry)
by Claire Aldridge and Karl Lee (Paperback - Mar 4, 2008)
Includes:*4 full-length practice tests*Detailed answer explanations*Focused chapter quizzes*Targeted review of key concepts*Kaplan's proven score-raising strategies*Glossary of key...
Usually ships in 24 hours
Sun Of Suns
by Karl Schroeder (Kindle Edition - Mar 11, 2008)
With this book Schroeder launches a saga set on Virga, a balloon-world warmed by artificial suns. The inhabitants build, besides their own suns, floating towns. The spaces between the towns, lacking...

Usually ships in 24 hours
Indiana Jones Omnibus, Vol. 1
by William Messner-Loeb and Dan Barry and Lee Marrs and Leo Duranona and Karl Kesel and Various (Paperback - Feb 15, 2008)
Indiana Jones is back in this massive volume recounting three of the most important discoveries in the career of the twentieth century's most adventurous archeologist! Containing the long...

Usually ships in 24 hours
Batman Begins
(Video Download)

The Complete A**hole's Guide to Handling Chicks
by Dan Indante and Karl Marks (Paperback - May 1, 2003)
Congratulations, man! By picking upThe Complete A**hole’s Guide to Handling Chicks, you are just pages away from finally understanding:- How a five-dollar date can get you laid- How to stop...

Usually ships in 24 hours

More Books