Molecular communication

Molecular communications systems use the presence or absence of a selected type of molecule to digitally encode messages.[1] The molecules are delivered into communications media such as air and water for transmission. The technique also is not subject to the requirement of using antennas that are sized to a specific ratio of the wavelength of the signal. Molecular communication signals can be made biocompatible and require very little energy[2][3].

Nature

Molecular signaling is used by plants and animals, such as the pheromones that insects use for long-range signaling.[2][4]

Alcohol

Researchers demonstrated the use of evaporated alcohol molecules to carry messages across several meters of open space and successfully decoded the message on the other side. The presence of molecules encoded to digital 1 and their absence encoded to 0. The hardware cost around $100.[2]

Chemical systems

There is wireless network that uses chemical system as physical media for data transmission, instead of environment. The signals representing electronic message transmitted through the wireless communication channel of this wireless computer network are changings of the chemical system's chemical composition.[5]

gollark: As I said, it is currently on my school account as a "microsoft form", so releasing it might have privacy implications.
gollark: I should probably add that one of these years.
gollark: insult.txt?
gollark: Most personality tests ask questions which are basically just asking you which personality traits you have, which is silly.
gollark: The second version was intended as more of a personality test with no specific "right" answers, which is why it said "personality test" at the top.

References
  1. T. Nakano, A. Eckford, and T. Haraguchi (2013). Molecular Communication. Cambridge University Press. ISBN 978-1107023086.CS1 maint: multiple names: authors list (link)
  2. "Text message using vodka: Molecular communication can aid communication underground, underwater or Inside the Body". Phys.org. Retrieved 18 October 2016.
  3. Farsad, N.; Guo, W.; Eckford, A. W. (2013). Willson, Richard C (ed.). "Tabletop Molecular Communication: Text Messages through Chemical Signals". PLoS ONE. 8 (12): e82935. doi:10.1371/journal.pone.0082935. PMC 3867433. PMID 24367571.
  4. Habibi, Iman; Emamian, Effat S.; Abdi, Ali (2014-10-07). "Advanced Fault Diagnosis Methods in Molecular Networks". PLOS ONE. 9 (10): e108830. doi:10.1371/journal.pone.0108830. ISSN 1932-6203. PMC 4188586. PMID 25290670.
  5. "NEW WIRELESS TECHNOLOGY FOR DATA TRANSMISSION IN CHEMICAL SYSTEMS". www.bulletennauki.com.
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