Maggie Hansen Posted August 18, 2008 Share Posted August 18, 2008 http://www.periodicvideos.com Welcome to the "Periodic Table of Videos". Tables charting the chemical elements have been around since the 19th century - but this modern version has a short video about each one. But we're not finished yet. We've started updating all the videos with new stories, better samples and bigger experiments. So once you've watched all 118 videos, make sure you come back and check on our progress. We still have a few surprises up our sleeves! - Subscribe for free at www.youtube.com/periodicvideos Link to comment Share on other sites More sharing options...
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