Here is Alex Rose of the long now foundation talking about the engineering behind the 10,000 year clock http://fora.tv/2011/05/22/Alexander_Rose_Engineering_of_

Here is Alex Rose of the long now foundation talking about the engineering behind the 10,000 year clock http://fora.tv/2011/05/22/Alexander_Rose_Engineering_of_the_10000_Year_Clock http://fora.tv/2011/05/22/Alexander_Rose_Engineering_of_the_...