AOWD CHAPTER 2.03. MAGNETISM

Many earthbound minerals have magnetic properties. That is, they are able to attract (pull) and repulse (push) ferromagnetic materials. The same properties can be transferred to objects made of iron, creating artificial magnets. Bar magnets have dipoles; a separation...

AOWD CHAPTER 2.02. ORIENTATION

The original literal meaning of the word “orientation” was “To face east.” East, because that’s the direction from which the sun rises. Before the compass, humans were, for the most part, unaware of a North and South Pole, not to mention pole magnetism. Therefore, the...

AOWD CHAPTER 2.01. INTRODUCTION

Almost every day of our lives we use some form of navigation. We use simple navigation, often subconsciously, when driving to work, or going to school; we reference landmarks and recognize visual cues. Consciously, we use more complex navigation when we reference a...

AOWD CHAPTER 1.14. SUMMARY

Before, during and after your open water scuba diver training, you have consistently heard that proper buoyancy control is the key to a comfortable, fun and enjoyable dive. We have repeated that sentiment here, and provided the information necessary to advance your...