Jan222014 13pml042_strontium_clock_lr.jpg Image(s) included Post a comment It’s About Time – But Also Much MoreInnovationGlobal Positioning System (GPS)Atomic Clock40° 0.435', -105° 16.116' -- that’s where I work. I know this because my smart phone says so. The same phone that woke me up in the morning, reminded me to give my...