Luqing Qi @luqing-qi Active 6 years, 4 months ago ActivityProfileSites 0Friends 0Groups 0 PersonalMentionsFavoritesFriendsGroups Show: — Everything — Updates New Sites Posts Comments Friendships New Groups Group Memberships Group Updates Luqing Qi's profile was updated 7 years, 2 months ago CourseDepartmentFaculty/Staff portfolioProjectStudent portfolio