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York U molecular communication researchers send world's first text message using vodka
Date:12/18/2013

TORONTO, Dec. 18, 2013 After successfully text messaging 'O Canada' using evaporated vodka, two York University researchers and their UK-based counterpart say their simple system can be used where conventional wireless technology fails.

"Chemical signals can offer a more efficient way of transmitting data inside tunnels, pipelines or deep underground structures. For example, the recent massive clog in London sewer system could have been detected earlier on, and without all the mess workers had to deal with, sending robots equipped with a molecular communication system," says Professor Andrew Eckford, in whose lab in the Department of Electrical Engineering and Computer Science located in Lassonde School of Engineering, the experiment was conducted.

The chemical signal, using the alcohol found in vodka in this case, was sent four metres across the lab with the aid of a tabletop fan. It was then demodulated by a receiver which measured the rate of change in concentration of the alcohol molecules, picking up whether the concentration was increasing or decreasing.

"We believe we have sent the world's first text message to be transmitted entirely with molecular communication, controlling concentration levels of the alcohol molecules, to encode the alphabets with single spray representing bit 1 and no spray representing the bit 0," says York U doctoral candidate Nariman Farsad, who led the experiment.

Though use of chemical signals is a new method in human communication technology, the biocompatible method is very common in the animal kingdom. Bees for example use chemicals in pheromones when there is a threat to the hive, and so do the Canadian lnyx, when marking territories.

In an article, Tabletop Molecular Communication: Text Messages Through Chemical Signals, in the peer-revi
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Contact: Gloria Suhasini
suhasini@yorku.ca
416-736-2100 x22094
York University
Source:Eurekalert

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