Micro/Macro: Measuring things in the Universe
1 May
2012
1 May
'12
8:24 a.m.
Pretty cool animation. Just slide the bar AT THE BOTTOM to the left or right......... Be sure to go BOTH ways on the sliding scale. This is truly amazing. http://htwins.net/scale2/scale2.swf?bordercolor=white
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Ellie Stock