Students from MIT and other universities gather outside the Johnson Ice Rink before being let in for the 24-hour hackathon that took place this past weekend. Joseff Kolman – Technique Sep. 20, 2016 Facebook Twitter Reddit Print Students from MIT and other universities gather outside the Johnson Ice Rink before being let in for the 24-hour hackathon that took place this past weekend. Joseff Kolman – Technique