Tian Shan Mountains
The Tian Shan mountains, stretching across the border region of Kazakhstan, Kyrgyzstan and western China, are pictured in this Envisat image. As one of the longest mountain ranges in Central Asia, the Tian Shan mountain...
Word of the Day
marconism
- (noun) The art of wireless telegraphy according to the Marconi system, in which Hertzian waves are used in transmission and a coherer is used as the receiving instrument.
Guglielmo Marconi was an Italian electrical engineer who invented wireless telegraphy.
Quote of the Day
Experience is the mother of science. 
- Unknown
Today in History
This Day in History
provided by The Free Dictionary