Iron has Resistivity of 
HSS has Resistivity of 
- Why is the transmission of a material in the proportion of
, why not proportional, on what is the factor dependent atom size? - Is glass on both sides coated? When yes why, one could also do one coating with more than one layer on one side?
- How can we calculate which material thickness absorbs which electromagnetic waves?
- why is silver more conductive than copper?
- Are there areas where iron is used in nanotechnologies? When yes where, when no why not?
- Why is impure silicon more conductive than pure silicon?
- How can one calculate the resistivity of a steel?
- How can one calculate how good one metal layer holds on the other one?
