# Metadata Source URL:: https://en.wikipedia.org/wiki/Kernel_(neurotechnology_company) --- # Kernel (neurotechnology company) - Wikipedia ## Highlights > [!quote]+ Updated on 220822_123736 > > Kernel Flow is a wearable time-domain functional near-infrared spectroscopy (TD-fNIRS) system which Kernel started demoing in spring 2021.[8][9] fNIRs uses infrared light to measure changes in the oxygenation of blood, which is a proxy for neural activity