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Source channel @githubtrending · Post #15535 · Mar 3
#shell ESP-CSI uses Wi-Fi Channel State Information (CSI) on all ESP32 chips to sense breathing, chewing, walking, or other movements without contact or extra hardware. You get rich data like signal phase and amplitude for smart monitoring, activity detection, positioning, and AI apps, with easy OTA upgrades, BLE help, and examples for quick starts like radar or cloud uploads—saving costs while boosting your IoT projects' accuracy and reliability. https://github.com/espressif/esp-csi
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@googlefactss · Post #40178 · 11/24/2025, 03:00 AM
We asked: Is water wet? Water isn’t wet by itself; wetness describes a liquid’s ability to adhere to other surfaces. Water’s strong cohesion and surface tension make it resist spreading on itself but allow it to wet other materials. Adding surfactants lowers surface tension, helping water spread more easily. 💧🔬 [Source] @googlefactss #WaterScience#SurfaceTension#Cohesion#Adhesion#ScienceFacts