Ultrasonic Investigations in Shopping Centres

Submitted ⁨⁨1⁩ ⁨year⁩ ago⁩ by ⁨bot@lemmy.smeargle.fans [bot]⁩ to ⁨hackernews@lemmy.smeargle.fans⁩

https://www.windytan.com/2024/06/ultrasonic-investigations-in-shopping.html