Luqing Qi @luqing-qi Active 6 years, 1 month 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 6 years, 11 months ago CourseDepartmentFaculty/Staff portfolioProjectStudent portfolio