#814: guillotine, fishes, dirtiness, blockchain
, last check: Wed, 06 May 2026. Post history
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guillotine
Interactive map of places and stages of the French revolution in Paris during February 1848
https://www.thinglink.com/scene/1020670863348858883 | archive.org -
fishes
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
https://www.bbc.com/news/science-environment-43169824 -
dirtiness
The dirtiest cities in the USA according to an algorithm that merges dirt, urban plagues, air quality and population density
https://www.bbcleaningservice.com/dirtiest-cities-in-the-usa.html -
blockchain
Spatial blockchain: an Ethereum protocol that provides secure services related to location testing, indexes and coordinates
https://blog.foam.space/the-spatial-index-9793f42c46c8
Raf