Wayne Parker

San Francisco, CA (PRWEB) January 03, 2012 From the Arab Spring to the Occupy Wall Street movements, 2011 witnessed an incredible expansion of the use of the internet for social activism and change. But less frequently reported are the increasing cyber-attacks on human rights activists. From communications blackouts, to Denial of Service attacks, to the [...]

Article by Mary Dawn Tingal MSDS sheet or Material Safety Data Sheet is a system used to provide information on particular substance or chemical. The information includes physical data, level of toxicity, health effects, reactivity, storage procedure, disposal, safety equipment and plan of action in case of chemical leak or spill. The Material Safety Data [...]

Using county-level data, I spatially and temporally interpolated presidential vote returns for the two major party candidates in each election from 1920-2008. The result illuminates the sometimes gradual, sometimes rapid change in the geographic basis of presidential partisanship. A detailed description can be seen at goo.gl