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README.md

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 ## Introduction to thermal conductivity
 
 
-* Thermal conductivity (denoted by the symbol <a href="https://www.codecogs.com/eqnedit.php?latex=\large&space;\kappa" target="_blank"><img src="https://latex.codecogs.com/svg.latex?\large&space;\kappa" title="\large \kappa" /></a>) is a fundamental property of materials that determines their ability to conduct (i.e. transmit) heat (See Refs 1,2). Materials with a higher $\kappa$ values conduct heat well and low-<a href="https://www.codecogs.com/eqnedit.php?latex=\large&space;\kappa" target="_blank"><img src="https://latex.codecogs.com/svg.latex?\large&space;\kappa" title="\large \kappa" /></a> materials are more insulating (Ref 9.).
+* Thermal conductivity (denoted by the symbol <a href="https://www.codecogs.com/eqnedit.php?latex=\large&space;\kappa" target="_blank"><img src="https://latex.codecogs.com/svg.latex?\large&space;\kappa" title="\large \kappa" /></a>) is a fundamental property of materials that determines their ability to conduct (i.e. transmit) heat (See Refs 1,2). Materials with a higher <a href="https://www.codecogs.com/eqnedit.php?latex=\large&space;\kappa" target="_blank"><img src="https://latex.codecogs.com/svg.latex?\large&space;\kappa" title="\large \kappa" /></a> values conduct heat well and low-<a href="https://www.codecogs.com/eqnedit.php?latex=\large&space;\kappa" target="_blank"><img src="https://latex.codecogs.com/svg.latex?\large&space;\kappa" title="\large \kappa" /></a> materials are more insulating (Ref 9.).
 
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 <h4>Table 1: Thermal conductivity of common materials</h4>