Made In Space to Step Up Off-Earth Production of Valuable Optical Fiber. https://www.space.com/made-in-space-second-zblan-optical-fiber-space-factory.html
'Made In #Space' (inc?) are making an expensive, high-end optical fiber called 'ZBLAN' at the ISS. ZBLAN has a crystal lattice structure affected by gravity, so a microgravity environment is perfect for it.
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