Archive Posts

  • July 2013 Citibike Breakdown

    July 2013 Citibike Breakdown

    Citi Bike in New York City makes available some limited system data on a month by month basis. Here, I take a look through the data for July of 2013 and try to extract a better understanding of the users of the largest bike share program in the United States. First, I wanted to know… Read More »


  • Frequency of Soyuz Launches

    Frequency of Soyuz Launches

    The International Space Station has been serviced by two manned spacecraft, the American Space Shuttle and the Russian Soyuz. Since the decommissioning of the Space Shuttle Program, the Soyuz remains the only spacecraft to transfer crew members to and from the ISS. I wondered how the retirement of the Space Shuttle effected the launch rate… Read More »


  • Last Statements of Texas Death Row Inmates

    Last Statements of Texas Death Row Inmates

    The state of Texas makes available the last statements of death row inmates dating to 1982. These can be found here. As forensic science advances, more and more inmates have been exonerated. While living inmates, in some cases, have limited means to pursue their exoneration, I wondered about those who have already paid the ultimate… Read More »