Sign up for an Award
Participate with your entry in one of our professional or student awards.
Sign up for an awardLearn more:
Unsupported browser
You are using an outdated browser. Please upgrade your browser to improve your experience.
It is a chair that calls after the person who forgot to gather his or her own belongings by dropping them. I caught the fact that people look back when they hear the sound something has dropped. As a result, they can prevent mistakes of forgetting their belongings..
Hongik University
Jochiwon, South Korea
Yoon-yee Park