Everyone knows the classic five senses: sight, hearing, touch, taste , and smell. But do we not sense more than that? In fact there are quit...

Conservation of momentum ( previously discussed ) can be extended to spinning things. When something spins in place, the object as a whole i...

Decimate is one of the most egregiously misused words today. The difference between intended and actual meaning is almost as great as with ...

If we have some kind of slope and deposit a drop of water on it, the water will run directly down the slope. It won't go up for a bit be...

Imagine you've lost a bet. Your “friend” is now going to run over your thumb with his car*, a 1996 Honda Accord. (This, by the way, was...

You have a spool of rope laying on it's side. The rope is passing under the central axle and to the right toward you. You pull slowly on...

We previously talked about conservation of energy  - an idea that is a very powerful way of understanding the world. However, actually audit...