# 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/siy77sa
Researchers suggest paired black holes pulled by cosmic expansion could seem to be one entity
A small team of astrophysicists and mathematicians from the University of Southampton, the University of Cambridge and Institut de Ci'encies del Cosmos Universitat de Barcelona has proposed that certain pairings of black holes held apart by cosmic expansion could be mistaken for a single equal-mass black hole. ⌘ Read more