Comment Re:How? (Score 1) 232
The machine modifies the air above a video projector
I'd wondered about that myself. Do you suppose anyone is working on something that uses ultrasound to change the refractive properties of air? (Who all remembers acoustical surface wave devices?)
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Beware of programmers carrying screwdrivers. --?
I'd wondered about that myself. Do you suppose anyone is working on something that uses ultrasound to change the refractive properties of air? (Who all remembers acoustical surface wave devices?)
--
Beware of programmers carrying screwdrivers. --?
