# 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/4ljjm4q
$500 Drone Calculates Its GPS Coordinates Offline from Downloaded Google Maps and a Camera
From a report:
A team of drone enthusiasts have built a sub-$500 drone that uses a camera and Google Maps to provide itself with GPS co-ordinates, removing the need for a GPS satellite signal. And all of this was done in 24 hours during the El Segundo Defense Tech Hackathon. The drone the trio o ... ⌘ Read more