Additional information
by Seong Ryeol Kim (Translator), Jae Kyong Cho (Author)
How does the guitar make the sound?
How does the drum make the sound?
How does heat conduct inside a long and thin rod?
How does material diffuse inside gas, liquid, or solid?
How does heat conduct inside a thin membrane?
How does pollutant outlet from a chimney diffuse into atmosphere, etc.?
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Actually and vividly picture what the questions are about
See how the equations work doing real examples
Get the point of the equations
And have Fun doing the work.