Recent content by elfshadow

Most likely they have to use domestically manufactured tools. So most likely Armstrong was the cheapest domestic manufacture who placed a bid. http://en.wikipedia.org/wiki/Buy_American_Act

Interesting discussion. Ok, while decreasing pressure, AKA, pulling a vacuum, will cause water to boil at a much lower temperature, the change of state from liquid to gas will not occur without adding energy. As Gerald points out, this additional energy comes from the rest of the water in...