Printing a network of neurons: super cool and a harbinger of things to come ...
https://www.wired.com/story/a-lab-just-3d-printed-a-neural-network-of-living-brain-cells/
In high school I wrote an article (in the 1970’s!) for homework on computers and how one day amazingly complex, hi-powered supercomputers would be THE SIZE OF BASKETBALLS and NOT THE SIZE OF ENTIRE 2-STORY HOMES. Wow.
Now, we walk around with supercomputers in our pockets. There is more computing power on an iPhone than there was for all of Cape Canaveral at the time of the Apollo moon landings, with all the 3-body orbital mechanics calculations.
And now, we have neural-networks in software mimicking how reasoning brains work. Our next step is creating the physical layout of how brains are structured, which will give us another layer of insight into brain function, growth and remodeling.
Right now, the lab is printing 8 mm x 8 mm x 0.4 mm structures (about 1/3 of an inch square, and maybe a sheet of paper in thickness) with 100,000 cells (wow). Just wait ’till we scale this up.
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