id author title date pages extension mime words sentence flesch summary cache txt crln-9597 Pattillo, Gary Fast Facts 2016-12-01 1 .pdf application/pdf 608 25 55 “Public high school 4-year adjusted cohort graduation rate (ACGR), by race/ethnicity and selected demographics for the United States, the 50 states, and the District of Columbia: School year 2014–15,” Common Core of Data, National Center for Education Statistics, http://nces.ed.gov/ccd/tables/ACGR_RE_and_characteristics_2014-15.asp (retrieved November 6, 2016). pattillo@email. unc.edu G a r y P a t t i l l o Eternal data storage A team of scientists from the University of Southampton have built a nanostructured glass device able to store 360 terabytes of data (approximately equivalent to the full-text of 5 billion books) for billions of years. cache/crln-9597.pdf txt/crln-9597.txt