The design helps to comfort people longing for the deceased .In Eastern culture, water has spiritual power. There is a small pool on the base of the tombstone, which can be filled with water. Under the pool there is an ultrasonic vibration device that makes water ripple. The strength of the ripples changes with the pitch of the voice from the mourner. The sensor can detect the slight changes when the mourners are speaking, and then activates the vibration of water ripple with these changes, as if the interaction comes from heaven.

My name is Hu Yin, a lecturer in Beihang University,China. Making design makes me happy. Teaching gives me a sense of self worth.My major achievements includs 2015, Red Dot Award; 2017，A Design Award & competition, (silver); 2017, K-Design Award/ Korea. Published a Book“Product Concept Design”, and 10 papers.

Beihang University (BUAA) was founded in 1952 with the merger of the aeronautical departments from eight top Chinese universities. Today it is one of the nation’s foremost research universities supported by China’s Project 211, Project 985 and Project 2011.