# 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/rclvzaq
Phys_org
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Novel carbon-based materials can remove hazardous 'forever chemicals' in water
Perfluoroalkyl and polyfluoroalkyl substances (PFAS), a diverse group of synthetic chemicals, are commonly used in numerous products such as semiconductors, fire-extinguishing foams, heat-resistant, and non-stick cookware. PFAS possess remarkable resistance to heat, oil, grease, and water that can be attributed to the strong chemical bonds between the atoms. However, the major drawback of the exceptional resistan ... ⌘ Read more