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02:48 Physical Science Cerium - Periodic Table of Videos Lesson duration 02:48 Manage Library 184,449 Views
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17:10 Science & Technology Fractals and the art of roughness - Benoit Mandelbrot Lesson duration 17:10 Manage Library 45,952 Views
06:10 Earth and Space Science How fast are you moving right now? Lesson duration 06:10 Manage Library 1,911,308 Views
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00:50 Physical Science Hafnium - Periodic Table of Videos Lesson duration 00:50 Manage Library 166,468 Views
00:39 Physical Science Holmium - Periodic Table of Videos Lesson duration 00:39 Manage Library 73,591 Views
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