Heffee uses a formula that takes into account the input from websites, moderators and expecially the users to decide which news across the internet is the most important. Users can create their own customized feeds, save pages and articles from across the web, and subscribe to their favorite news outlets.
An anonymous reader writes "By using the Earth's vast underground caverns to store compressed air generated by wind farms at night, several U.S. municipalities will be "going green" by using that stored energy to generate daytime electricity on the cheap. Engineers at a National Lab think compressed air stored in underground caverns could cut in half the cost of electricity."