Wearable touch-free silicon nanowire sensor reads water vapor changes in human breath translating silent mouth movements into text

https://www.eurekalert.org/news-releases/1130907

"oxygen plasma carves microscopic, tree-like pillars on standard silicon wafers mimicking highly porous (120X more surface area) molecular sponge... grabs/ releases water molecules fast enough preventing signal blurring, resetting in fractions of second... in Bluetooth headset paired with AI, ignores background noise, 98.51% accurate transcribing silent speech real time... human-computer interface, aids individuals who have lost their voices to neurological injuries or medical conditions, hands-free computing"