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They're truly tricorders. They can 3d scan the world, they can broadcast live to the entire world, they can connect you with a doctor and help diagnose your illness, on and on.

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Phyphox really does it for me to get that "a tricorder, but real" feeling.

https://phyphox.org/

Point it at a bird or bug or flower and get an ID

Record a birdsong and get an ID

Tell you who sings the songs playing

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