136 reputation
12
bio website nonit.vn
location Sai Gon - Viet Nam
age 28
visits member for 3 years, 6 months
seen Dec 31 '11 at 4:08

2d
awarded  Notable Question
Oct
9
awarded  Popular Question
Oct
11
awarded  Student
Oct
11
asked Why will clay, when heated to high temperatures, harden and become waterproof?