We held a day-long fall hackathon. Here’s what we built A low-cost traffic signal, a sea level model, and a refugee resource map — among others. Rachel Steinberg and Craig Nevill-Manning 11 Nov
Hackathons Sidewalk held a two-day midsummer engineering hackathon. Here’s what we built. A park meet-up router, a reference for urban designers, and a yellow cab counter. 9 Sep