• April 13, 2014 3D Printing Part III: A UNC Connection

      In Part I of this series I reviewed the history and science of 3D printing. In Part II, I speculated on the fu..

    • April 6, 2014 3D Printing Part II: The Future

      In Part I of this series, I discussed the history and science of 3D printing. This week I will move on to disc..

    • March 23, 2014 3D Printing Part I: The Technology

      For the past several years, 3D printing technology has been garnering quite a few headlines. Unfortunately, as..

    • March 16, 2014 China, The Canary in the Coal Mine

      When I started writing Common Science in 2011, I did not envision devoting so many columns to resource constra..

    • March 3, 2014 Checking In On Peak Oil

      In last week’s column, The Case of the Missing Propane, I explained how the widespread use of hydraulic frac..

    • February 23, 2014 The Case of the Missing Propane

      Over the past few weeks, I have seen many stories about propane shortages in the United States. As a result of..

    • February 16, 2014 A Tale of Two Spills

      On February 2, 2014, a storm water drain at a retired coal-fired power plant near the North Carolina-Virginia ..

    • February 2, 2014 My First PC Weighed 25 Pounds

      My children like to make comparisons between the technology I had growing up and what they have today. In the ..

    • January 26, 2014 West Virginia Chemical Spill

      On January the 9th, 2014, 7,500 gallons of a chemical called 4-methylcyclohexane methanol (MCHM) leaked from a..

    • January 19, 2014 We Can Afford More Math Textbooks

      As an engineer, I have had a lot of math education in my life, everything from multiplication tables to system..