Detailed text transcripts for TV channel - CNN - 20180210:18:41:00
No one can make it. >> reporter: spider silk is surprisingly strong. making it in a factory starts by isolating the proteins that make it so tough. they recreate them here in these tanks. >> we're pumping sugar in continuously. the yeast are eating it. they're breathing, in oxygen, out carbon dioxide. they're making silk. the end of this, we'll harvest this out and clarify the silk away from everything else. >> how long does the process take? >> this is about a three-day process. >> reporter: while bolt uses yeast to recreate spider silk, at modern meadow, they're using yeast. >> in terms of g...
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