How to Recognize Good Gemstone Faceting
March 5, 2013 | YouTube
This short video by John Dyer explains the characteristics of well-cut and poorly-cut faceted gemstones.... Can You Make Money Faceting?
January 12, 2012 | Ultra Tec
A recent article in the Ultratec Newsletter by John Bailey was: "Can You Make Money... Tribolunimescence in Quartz Video
March 31, 2013 | Geology.com
Triboluminescence is a flash of light produced when a material is subjected to friction, impact... Cutting a 26,000-Pound Block of Granite with a 2-Pound Hammer!
September 2, 2012 | YouTube.com
You don't need a huge hammer to break a massive rock. Lots of tiny... NASA: Debunking 2012 Doomsday Scenarios
March 12, 2012 |
"There apparently is a great deal of interest in celestial bodies, and their locations and... Supersonic Skydive !
October 14, 2012 | ABC News
Felix Baumgartner broke three records this morning jumping from an altitude of 24 miles and... Flooding in NYC Subways
October 30, 2012 | YouTube.com
Parts of the New York City subway system has been flooded by Hurricane Sandy. ... Why are We Seeing So Many Sungrazing Comets?
May 8, 2013 | NASA on YouTube
As recently as 1979, astronomers only knew about 12 sungrazing coments. Now they have... | 
