On the 450th anniversary of his birth today, February 15, 2014, it's worth taking a telescopic look at the achievements of this unparalleled genius of the Renaissance. Born in 1564 in Pisa, Italy, Galileo lived to the age of 77, a life span that saw the start of the scientific revolution in Europe (by Dan Vergano,National Geographic)(via http://www.youtube.com/watch?v=2p8Q9Fr1Q8E&feature=youtube_gdata)