Lots More Information

­­Related HowStuffWorks Articles

• How Headphone Earmuffs Work
• How Headphone Hats Work
• How Wind Up Cell Phone Chargers Work
• How WiFi Detectors Work
• How Satellite Internet Receivers Work

Sources

• ­Cakmakei, Ozan, Jannick Rolland. "Imaging Systems For Eyeglass-based Display Devices." U.S. Patent Application US20070236800. Oct. 11, 2007. (Jan. 30, 2009). http://www.freepatentsonline.com/20070236800.pdf
• Hebert, Raymond T. "Devices, Methods, and Systems for Image Viewing." U.S. Patent Application US20070273938. Nov. 29, 2007. Free Patents Online. (Jan. 30, 2009). http://www.freepatentsonline.com/20070273983.pdf
• Lubell, Sam. "Video glasses: up close and personal." International Herald Tribune. Jan. 17, 2008. (Jan. 30, 2009). http://www.iht.com/articles/2008/01/17/technology/17basics.php
• Mirage Innovations. "What is cyber-stress." Mirage Innovations. (Jan. 30, 2009). http://www.mirageinnovations.com/cyber_stress.html
• Myvu. "Myvu Accessories." Myvu. (Jan. 30, 2009). http://www.myvu.com/Myvu-iPod-Accessories-Cases-Chargers-Cables-C22.aspx
• ­Tang, John G. "Enhanced Image Display in Head-Mounted Displays." U.S. Patent Application US20080088529. Apr. 17, 2008. (Jan. 30, 2009). http://www.freepatentsonline.com/20080088529.pdf