Although he is a full-time professor, Wall last year opened the Danja Fistula Center in Niger, a 42-bed hospital specializing in fistula repair surgeries with an operating room, outpatient clinic and hostel facilities for about 100 women.
For instance in 2011 the new media artists Julian Oliver and Danja Vasiliev invented a gadget that allows them to hijack the wifi signal in a library or internet cafe, and to remotely edit the content of news sites such as nytimes.com so that anyone in the room browsing The New York Times on a wireless device sees modified headlines.