# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/ce64ccq
Microplastics in soil: Tomography with neutrons and X-rays shows where particles are deposited
It is a real problem: Microplastic particles are everywhere. Now a team from the University of Potsdam and HZB has developed a method that allows it for the first time to precisely localize microplastic particles in the soil. The 3D tomographies show where the particles are deposited and how structures in the soil are changed. ⌘ Read more