Worldchanging reports that a free, solar-powered public Wi-Fi network has opened in Boulder, Colorado. It operates day and night, because the solar panels can charge the system battery in about 5 hours, and the battery can operate the access point for up to 72 hours. The network was created by Lumin, for Boulder's Downtown Business Improvement District. You can read more about the free Wi-Fi here. :: InternetNews story
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