Where is All of San Diegos Sand Going - NBC 7 San Diego

    Where Is San Diego's Sand Going?

    How Scripps Institution of Oceanography researchers are using lasers to track grains of sand. NBC 7's Greg Bledsoe reports. (Published Wednesday, Jan 2, 2013) How Scripps Institution of Oceanography researchers are using lasers to track grains of sand. NBC 7's Greg Bledsoe reports. See More