Erbium - Periodic Table of Videos
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The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. In this one, the professor explains why erbium is perhaps the most important element for websites like YouTube.
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As the professor explained in the final minute of the video, who are the big enemies of the internet fibers under the sea?
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TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.
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