Members of East Campus Second West, known as “Putz”, spray liquid nitrogen into a large bowl at their CryoFAC event on Saturday to make ice cream for hungry prefrosh. Landon Carter—The Tech May. 9, 2016 Facebook Twitter Reddit Print Members of East Campus Second West, known as “Putz”, spray liquid nitrogen into a large bowl at their CryoFAC event on Saturday to make ice cream for hungry prefrosh. Landon Carter—The Tech