World’s smallest electronic circuits

..One of the world’s smallest electronic circuits was engineered by McGill Univ. It is formed by two wires separated by only about 150 atoms or 15 nanometers (nm). This discovery, published in the journal Nature Nanotechnology, could have a significant effect on the speed and power of the ever smaller integrated circuits of the future in everything from smartphones to desktop computers, televisions and GPS systems.

It was found that the effect of one wire on the other can be either positive or negative. This means that a current in one wire can produce a current in the other one that is either in the same or the opposite direction. This discovery, based on the principles of quantum physics, suggests a need to revise our understanding of how even the simplest electronic circuits behave at the nanoscale

 

McGill Univ. http://www.mcgill.ca/newsroom/
news/item/?item_id=212756

http://www.nature.com/nnano/journal/vaop/ncurrent/
full/nnano.2011.182.html

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