Feedback from presentation：
The connection between salt and personal emotion cannot represent that other people's emotion also can be represented by salt.
Tears is not enough to prove "Why the material in my project is salt"
Suggestion from Oscar:
1. Finding an allusion or phenomenon to explain why salt. For example, "the human body has most of the salt water, there is a saying that human came from the ocean. " Thus, I can research some kind of "story" to prove salt can be a expression way.
2.Lukas Wegwerth who did crystal art works
3. epsom salt ( healing function )
4. The ingredients of tears & The chemical structure of the tears.