Finding Directions - Simply stand a stick on end and place a small rock where the tip of the shadow falls. Wait ten to fifteen minutes and place a second rock at the point where the tip of the shadow has moved too. Draw a line between the two points
A step by step guide to Celestial Navigation - for absolute beginners! #celestialnavigation #sailing #sextant
Tutorials about electrical systems and multimeters often involve theoretical analogies to flowing water. In these primers, the authors test well-designed, functioning circuits, and everything behaves exactly as anticipated.