# 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.
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# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
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# twt range = 1 1
# self = https://watcher.sour.is/conv/6z2zpha
Phys_org
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Micro/nanoscale 4D printing revolution: Manufacturing high-resolution transformable 3D structures
Have you ever imaged high-resolution 3D structures at the micro/nanoscale that react dynamically to their surroundings? The 4D printing technology is changing the game by using smart materials that exhibit remarkable shape deformation in response to external stimuli, showing the enormous potential for use in biomedicine, flexible electronics, soft robotics, and aerospace. ⌘ Read more