A radio antenna less than 0.1’ long has been installed on a compu...
A radio antenna less than 0.1” long has been installed on a computer chip and has demonstrated at least 16’ free- space range by sending and receiving signals across a room, the U. of Fla. announced Tues. It’s a…
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step by university electrical engineers toward creating an ultrasmall radio chip, with a transceiver, processor and battery on a chip not much larger than a pinhead. Such tiny radios, cheap enough to be disposable, would have uses from covert listening devices and replacement of heavy air- and spacecraft wiring, to monitoring border crossings, factory production and defects in bridges, dams and tunnels, the university said. Research elsewhere seeks to create communications networks of tiny optical devices, but the U. of Fla. approach is advantageous because it avoids the difficulty of aiming data- bearing light between devices, the school said.