The transmitter made from a spray bottle and off-the-shelf electronics (Image: Nariman Farsad,Weisi Guo, Andrew W. Eckford / PLOS ONE)
The receiver was placed several meters from the transmitter and was able to pick up the molecular message (Image: Nariman Farsad,Weisi Guo, Andrew W. Eckford / PLOS ONE)
A molecular messaging system capable of transmitting data over several meters has been built using off-the-shelf materials costing around US$100 and some vodka. The system mimics chemical signalling seen in nature and has potential applications for communications in environments not compatible with conventional wireless technologies, such as underwater, in tunnels and pipelines, as well as at the nano scale and within the body.
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