Photo: Markku Ojala/EPA/Landov
You’re going to listen to music anyway… Finnish technology company Valkee has developed earbuds that emit light right where it’s needed to relieve the symptoms of seasonal affective disorder, which causes depression during the winter months because sunlight is in short supply. The LEDs in the earphones shine light on the brain through the ear canal, the spot where the skull is thinnest.











If you are viewing this page with an iPad or iPhone, click here to launch the slideshow:
Willie Jones
Willie Jones is an associate editor at IEEE Spectrum. In addition to editing and planning daily coverage, he manages several of Spectrum's newsletters and contributes regularly to the monthly Big Picture section that appears in the print edition.
The Conversation (0)