On UIST 2011, HCIL students participated in student innovation contest, and one of two projects got on the second place for "audience's choice" category. 

Two papers:

Seongkook Heo, Jaehyun Han, Sangwon Choi, Seunghwan Lee, Geehyuk Lee, Hyong-Euk Lee, SangHyun Kim, Won-Chul Bang, DoKyoon Kim, and ChangYeong Kim, "IrCube Tracker: An Optical 6-DOF Tracker based on LED Directivity"

Seongkook Heo and Geehyuk Lee, "Force Gestures: Augmenting Touch Screen Gestures with Normal and Tangential Forces"

a poster:

Jiseong Gu, Geehyuk Lee, "TouchString: A flexible linear multi-touch sensor for prototyping a freeform multi-touch surface"

and a demo paper:

Sangwon Choi, Jaehyun Han, Sunjun Kim, Seongkook Heo, Geehyuk Lee, "ThickPad: A Hover-Tracking Touchpad for a Laptop"

were accepted for ACM UIST 2011

"ForceTap: Extending Input Vocabulary of Mobile Touch Screen by Adding Tap Gestures" by Seongkook Heo and Geehyuk Lee is accepted as a full paper for MobileHCI 2011