March 2016

Drone technology, popularity outpaces regulations

I acquired the drone data used in this story by downloading every drone application PDF using wget and then converting thousands of PDFs to text files with pdftotext. We then narrowed our data to Pennsylvania to create a database of all 92 drone companies primarily operating in Pennsylvania.

Lead detected in Pittsburgh’s drinking water on the rise since 1999

Lead in Pittsburgh’s water supply was barely under the Environmental Protection Agency’s action limit. This is a short explainer about the common sources of the lead and risks of being exposed to lead.