This has nothing to do with online learning but the wow factor is too much to pass over. I can't even begin to calculate the potential implications of this: "Three-dimensional tubes of living tissue have been printed using modified desktop printers filled with suspensions of cells instead of ink. The work is a first step towards printing complex tissues or even entire organs." Talk about an alternative use for Photoshop!
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] [![Image from the website](https://downes.ca//files/images/post_4976.jpg)