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Originally posted by Devino
There is no reason to jump to the conclusion that they had help or even needed help from ET's
Originally posted by Neo-V™
I don't think it was actually aliens, but that the technology used was alien to us.
Originally posted by AlienCarnage
Modern day people seem to think in modern day terms when thinking about how the ancients did things...
It was created by Takayuki Iwamoto and his colleagues at the University of Tokyo. It creates high-fidelity pressure fields by emitting airborne ultrasound waves. It allows the user to actively touch a virtual object, withing a boundary of 30cm cubed.