US researchers make ‘bionic ear’ with 3-D printer

PRINCETON, New Jersey (AP) — With a 3-D printer, a petri dish and some cells from a cow, U.S. researchers are growing synthetic ears that can receive — and transmit — sound.

The Princeton University scientists send bovine cells mixed in a liquid gel through the printer, followed by tiny particles of silver. The printer is programmed to shape the material into a “bionic ear” and forms the silver particles into a coiled antenna. Like any antenna, this one can pick up radio signals that the ear will interpret as sound.



The 3-D ear isn’t designed to exchange a personality’s one. The analysis is supposed to explore a replacement technique of mixing natural philosophy with biological material.
McAlpine and his team incontestible the antenna’s ability to choose up radio signals by attaching electrodes onto the backs of the ears within the printing. after they broadcast a recording of Beethoven’s “Fur Elise” to a try of absolutely cultivated ears, the electrodes passed the signal on wires to a group of speakers, and therefore the music flowed out clear and while not interference.

English: RepRap v.2 'Mendel' open-source FDM 3...
English: RepRap v.2 ‘Mendel’ open-source FDM 3D printer (Photo credit: Wikipedia)

Although the new analysis is simply one iteration within the field of IP — a section that appears at combining biology with technology — McAlpine aforesaid the analysis could lead on to artificial replacements for actual human functions, and to a form of electronic intuition.

“As the globe becomes a a lot of digital and electronic place, i believe ultimately we’re reaching to care less concerning our ancient 5 senses,” he said. “And we’re reaching to need these new senses to offer United States direct transmission with our cellphones and our laptop computer devices.”




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