Authors: George Rajna
Blockchains promise widescale open Internet applications that are organised decentrally, but this comes at the price of slow performance for every transaction processed by the system.  The ability to precisely control the interactions of light and matter at the nanoscale could help such a network transmit larger amounts of data more quickly and securely than an electrical network.  Researchers in Italy have demonstrated the feasibility of quantum communications between high-orbiting global navigation satellites and a ground station, with an exchange at the single photon level over a distance of 20,000km.  Living cells, regardless of the type, can be kept around for a long time and because they move constantly, can be photographed repeatedly to create new encryption keys.  A new electronic device can developed at the University of Michigan can directly model the behaviors of a synapse, which is a connection between two neurons.  "The atom-scale devices we are developing create a new basis for HYPERLINK "https://phys.org/tags/computer/" computer electronics that will be able to run at least 100 times faster or operate at the same speed as today but using 100 times less energy," continued Wolkow. 
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[v1] 2019-01-08 10:08:51
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