Teach Principles Not Formulas.

What Would Happen If We Could Arrange The Atoms One By One The Way We Want Them?

Doubt Is Clearly A Value In Science. It Is Important To Doubt And That The Doubt Is Not A Fearful Thing, But A Thing Of Great Value.

Science Is What We Do To Keep Us From Lying To Ourselves

Thus We Can Get The Correct Answer For The Probability Of Partial Reflection By Imagining (falsely) That All Reflection Comes From Only The Front And Back Surfaces. In This Intuitively Easy Analysis, The 'front Surface' And 'back Surface' Arrows Are Mathematical Constructions That Give Us The Right Answer, Whereas .... A More Accurate Representation Of What Is Really Going On: Partial Reflection Is The Scattering Of Light By Electrons Inside The Glass.

Today's Brains Are Yesterday's Mashed Potatoes.