Reading up on Georgia Tech
2 deep · digging since dec 03, 25
- SoundOff: Low-cost Passive Ultrasound Tags for Non-invasive and Non-Intrusive Smart Home Sensing — Yibo Fu
SoundOff uses passive, battery-free 3D-printed metal tags that emit unique ultrasound chirps when moved, enabling private, zero-infrastructure smart home sensing.
- Americans no longer see four-year college degrees as worth the cost
Americans increasingly view four-year degrees as financially unsound due to rising costs, debt, and eroded signaling value for employers.