Science Hack Day is a 48-hour-all-night event that brings together designers, developers, scientists and other geeks in the same physical space for a brief but intense period of collaboration, hacking, and building 'cool stuff'. By collaborating on focused tasks during this short period, small groups of hackers are capable of producing remarkable results. Some Hack Days have a specific focus. There have already been very successful Music Hack Days and Government Hack Days. It's time for a Hack Day focused on science!