Part III - The viscous analysis 

Excellent series! Thanks for all the detailed graphics and explanation. You're a very effective teacher.

Great explanation, thank you, god bless you

Thank you for taking the time to explain the theoretical background. :)

Thank you very much for your effort. Great stuff!!!

Very useful. Thank you!

Thank you this is really helpful

Sound like you know your stuff but I could not pay attention due to you constantly swallowing your spit