The MIT Electronics Research Society shows off one of their Tesla coils to a crowd of spectators Monday afternoon at the 2012 MIT Techfair. The student-run event had over 60 companies and 30 student groups exhibiting this year. Christopher A. Maynor—The Tech May. 9, 2016 Facebook Twitter Reddit Print The MIT Electronics Research Society shows off one of their Tesla coils to a crowd of spectators Monday afternoon at the 2012 MIT Techfair. The student-run event had over 60 companies and 30 student groups exhibiting this year. Christopher A. Maynor—The Tech