Friction is everywhere. Even though friction finds itself in just about every system we design, it is one of those concepts that is not easily understood. 

We engineers love our equations. Imagine asking an engineer a question, and they hold up a finger gesturing for you to wait quietly while they punch numbers into their calculator. 

Is it just me or has there been a lot of big words being thrown about lately? 

What captures the imagination of an engineer more than the elegant lumbering of a steam locomotive? 

“Good to the last drop,” for those who do not know, is a slogan used by a certain brand of coffee for marketing purposes. 

I’m sure all of us have words and phrases that bring up memories from our past. 

When I hear the term “luck of the draw,” I can’t help but imagine an unfortunate soul sitting at a craps or roulette table in a casino, head in hands and slot machines ratcheting in the background. 

Elevators go up and down, that much we know. One could say that they follow the common saying: “What goes up must come down.” 

Most of us have likely heard the expression “ignorance is bliss.”