[Ráfaga]Nº814: Guillotine, fishes, dirtiness, blockchain

Isaac Besora i Vilardaga isaac.besora at gmail.com
Mon Feb 26 22:40:26 PST 2018

27 Feb 2018 by Raf

   - Interactive map of places and stages of the French revolution in Paris
   during February 1848
   -  Maps of the global fishing activity with data between 2012 and 2016
   and more than 70K ship positions: 5 countries concentrate 85% of the
   catches, thanks Geni
   -  The dirtiest cities in the USA according to an algorithm that merges
   dirt, urban plagues, air quality and population density
   -  Spatial blockchain: an Ethereum protocol that provides secure
   services related to location testing, indexes and coordinates
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