In a first, researchers use Bluetooth signals to identify and track smartphones

A team of engineers at the University of California San Diego has demonstrated for the first time that the Bluetooth signals emitted constantly by our mobile phones have a unique fingerprint that can be used to track individuals' movements.

source https://www.lifetechnology.com/blogs/life-technology-technology-news/in-a-first-researchers-use-bluetooth-signals-to-identify-and-track-smartphones

Introducing GTGraffiti: The robot that paints like a human

Graduate students at the Georgia Institute of Technology have built the first graffiti-painting robot system that mimics the fluidity of human movement. Aptly named GTGraffiti, the system uses motion capture technology to record human painting motions and then composes and processes the gestures to program a cable-driven robot that spray paints graffiti artwork.

source https://www.lifetechnology.com/blogs/life-technology-technology-news/introducing-gtgraffiti-the-robot-that-paints-like-a-human