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Vidrio metálico: ¡un material para el que NO ESTAMOS LISTOS!
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Why is this Space Telescope so Tiny?
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Smelting Iron from ROCKS (Primitive Iron Age Extraction)
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Quality in Photographic Lenses : Lens manufacturing
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How Binoculars, Telescopes, Space Pens, & More Are Made | How It's Made | Science Channel
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