1. happiness hat


    from Lauren McCarthy / Liked

    360K Plays / / 18 Comments

    The Happiness Hat is a wearable device that detects if you're smiling and provides pain feedback if you're not. An enclosed bend sensor attaches to the cheek and measures smile size, a servo…

    + More details

    Browse Likes

    TLT at Penn State

    Likes are an easy way to keep track of the videos you enjoy. Use likes to bookmark videos you want to watch again and again and again and again.

    Also Check Out