At 321 degrees below zero Fahren??heit ??? 77 Kelvin ??? when liquid nitrogen hits the cream and other ingre??di??ents, ???it imme??di??ately cre??ates crys??tals,??? said sopho??more Justin Roberts, the club???s vice pres??i??dent. ???All it???s doing is freezing the cream really quickly.??? The liquid nitrogen does its work in about 10 min??utes, far faster than tra??di??tional methods.