Facebook brings high-speed laser communications into focus

Facebook says it has developed a laser detector that could open the airwaves to new high-speed data communications systems that don't require dedicated spectrum or licenses.The component, disclosed on Tuesday in a scientific journal, comes from the company's Connectivity Lab, which is involved in developing technology that can help spread high-speed Internet to places it currently doesn't reach.Getting Internet signals to new areas is typically done using wireless, because it's much more cost-ef