OT Orygun ~ one of the things i was privileged to see in action thru my NASA affiliation is a CAD program that interracts with a 3D copier.
for example, let's say that there is a space mission where they need a particular part to fix a problem. they can develop the specs on earth and transmit them to the space command where a machine can manufacture the product on the spot. granted, it is for small parts and modules.
another interesting aspect which i am aware of is the use of hypersonic sound that can be pinpointed (laserbeam-like) and can essentially eliminate surrounding sounds. holographic sound is another area.
no telling what exists that i wasn't allowed to see.
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