Thursday, April 26, 2012

Did you know...
... that today is Richter Scale Day? Charles Richter was born near Hamilton, Ohio, in 1900. Richter is most famous as the creator of the Richter magnitude scale that, until the development of the moment magnitude scale in 1979, quantified the size of earthquakes.

No comments:

Post a Comment

http://gm5211.blogspot.com/