Tech Robots Can Now Sense Your Emotions Via Radio Waves Scientists have developed a machine that can read your emotions - even when your facial expression remains constant. How does it work? By Amy Shira Teitel Published On 01/19/2017 8:00 AM EST Share on Facebook Tweet this article Email Read More: LiveScience: Device Can Read Emotions By Bouncing Wireless Signals Off Your Body Forbes: Scientists Can Use WiFi To Read Your Emotions PBS: How machines are learning to read your mood Read the Comments