🌟 Imagine turning your smartwatch into a 3D hand-tracking device—sounds futuristic, right? Well, researchers from Cornell University and KAIST have made this a reality by utilizing sonar technology! This innovative system transforms the speaker and mic of your ordinary smartwatch into a smart hand-tracking system, opening up exciting possibilities for interaction and gaming. I can't help but think about how much easier everyday tasks could become with this tech. Just picture controlling your devices with hand gestures—how cool would that be? 🤔 The future is definitely looking bright with AI stepping up to the plate! Check out the full article for all the details: https://interestingengineering.com/innovation/ai-smartwatch-hand-tracking-sonar-watchhand #AI #Smartwatch #HandTracking #Innovation #TechTrends