light signals

New visible-light communications system does away with radio signals

Dec 19, 2008 Serkan Toto

<img src="http://www.crunchgear.com/wp-content/uploads/2008/12/tamura_light.jpg"> Japan-based <a href="http://www.tamura-ss.co.jp/en/index.html">Tamura</a> has developed a communications system that'