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Nanotube Antennas

Future nanotube antennas may yield better signals in cell phones and televisions. In the fuature, cell phone calls and television pictures could become a lot clearer due to tiny antennas of nano scale.

Nanotube antennas

University of Southern California researcher has developed a nanotube transistor to construct a tiny antenna. Researcher has demonstrated that minuscule antennas in the form of carbon nanotube transistors can dramatically enhance the processing of electrical signals and improve the performance of consumer electronic devices containing nanotube-based components, including logic gates for computers and diodes for light displays.


Working principle of this antennas is based on a well known counterintuitive theory called stochastic resonance. The antennas are surprisingly good at detecting even weak electrical signals and the antenna will appear in many consumer products. The product shows promise for improving "spread spectrum" technology, a signal processing technique used in many newer phones that allows listeners to switch to different channels for clearer signals and to prevent others from eavesdropping. This could also process image pixel data, leading to improved television images, flat-panel displays, fast internet connections, artificial nerve cells to enhance sensation and movement to damaged nerves and limbs and as electrical components in artificial limbs.

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