dushisud writes: "The researchers at Keio University have brought a new technology named SteganoSonic, capable of transmitting digital information into supersonic waves, into existence. All you have to do is set out the terminal in the speaker zone and the information can be transferred from directional speakers to the screen. The speaker does not produce any sound as it sends information to the display. Now talking about the display, it is comprised of two panel units having many small supersonic wave speakers along with a tablet computer having an external receiver."
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