3D printed devices that can track and store their own use tagged posts

Researchers at the University of Washington have developed 3D printed assistive technology that can track and store their use — without using batteries or electronics. Credit: Mark Stone/University of Washington

Engineers have developed 3D printed devices that can track and store their own use – without using batteries or electronics. Instead, this system uses a method called backscatter, through which a device can share information by reflecting signals that have been transmitted to it with an antenna.

Cheap and easily customizable, 3D printed devices are perfect for assistive technology, like prosthetics or “smart” pill bottles that can help patients remember to take their daily medications...