Links added  for discussion in 2019 class

• Why is ballast placed on Railway Track?  

Links added  for discussion in 2014 class

• Course on Surface and Contact Mechanics at Southern Illinois University 

• Energy Cost of Walking  

• Slipping of Steam Locomotive's Wheels  

• Feynman: FUN TO IMAGINE 7: The Train  
   
        How Trains Turn...   (Ack: S. Koushik)

• Some typical rolling coefficients  

Links added  for discussion in 2012 class

• Matlab Program for a demo on correlation 

  How does HEXBUG nano work? 

Links added  for discussion in 2010 class

• Rolling Fricton by Jayadeep 

  ppt of Jayadeep

Links added  for discussion in 2007 class

• Wet Clutch and Roughness 

  pdf in local server

Links added  for discussion in 2005 class

• Finnish Mileage Marathon Club 

• Surfaces and Contact Mechanics

• The breakdown of continuum models for mechanical contacts -  Paper of  M Robbins published in Nature

• Engineering:  Skimming the surface - Jacob N. Israelachvili's comments on the Robbins' paper