Their process was 3D printing of DNA, just as one would print any other document or object. This video also shows the sequencing of DNA. In other words, Cambrian Genomics was capable of making DNA from scratch and also reading DNA as if it was a book.
Source:
https://www.youtube.com/watch?v=HCSSHAxxX7s.
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Related:
https://electrek.co/2020/11/10/elon-musk-tesla-rna-vaccine-printer-curevac-important-product-world/.
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