North America- Researchers
including one of Indian origin are developing synthetic ears, which are
capable of receiving and transmitting sound.
Princeton University researchers mixed bovine cells with a liquid gel
and sent it through a 3-D printer followed by tiny silver particles.
The printerhas been programmed to shape the material into a bionic ear, and the
silver particles are turned into a coiled antenna, which like other
antennas are capable of picking up radio signals, which ear interprets
as sound, Fox News reported.
Michael McAlpine, the professor who led the project, said what the
team we really achieved was to show the capabilities of 3-D printing.
The printed ear is soft to touch and is translucent.
The ear is cultivated for ten weeks, where the cells are allowed to multiply, and hardened tissue are formed around the antenna.
Manu Mannoor, a graduate student who worked with McAlpine on the project, demonstrated how the process works.
Source : Hindustan Times , 5th July 2013
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