How Can Microphones Record Light?

The Action Lab shows us what light sounds like in a microphone by performing my very first recording of his voice being transferred to a microphone through light.

This has interesting security implications for voice activated devices like Alexa and Google Home. 

Frank

#DataScientist, #DataEngineer, Blogger, Vlogger, Podcaster at http://DataDriven.tv . Back @Microsoft to help customers leverage #AI Opinions mine. #武當派 fan. I blog to help you become a better data scientist/ML engineer Opinions are mine. All mine.