# I am the Watcher. I am your guide through this vast new twtiverse.
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# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
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#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
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Phys_org
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Fast-responding colorimetric sensor for real-time monitoring has expanded color gamut
Colorimetric sensors detect environmental changes by intuitively shifting colors, easily visible to the naked eye without the need for additional equipment. Furthermore, they operate with zero power consumption. By shifting color visibly, without any need for additional equipment, these sensors have the potential to play critical roles in applications like food packaging and ancient artifact preservation, where o ... ⌘ Read more