HAMILTON, ON – Dec 1, 2018 – More than 150 high school and university students converge at Central Library on Saturday and Sunday Dec 8-9 for Hack the Hammer’s Urban Hacks Hackathon. Within 30 hours they will design solutions to major urban challenges using City of Hamilton open source data. A hackathon is best described as an invention marathon where participants learn, build and share creations over a short time.