Questions tagged 'hardness'
2 questions
Which mineral has the same hardness as a fingernail?
Which mineral has a hardness similar to that of a human fingernail? a. diamond b. topaz c. fluorite d. gypsum
what can make fabric hard?
I am looking for a material or method that can make a shirt very stiff, similar to the hardness of fiberglass. Ideally, it should be an affordable option. What suggestions do you have for achieving th...