We begin with a phenomenon called magnetism. This phenomenon was known thousands of years before electricity. Magnetism was discovered…

Since waves are primarily the result of surface wind action, they can be accurately predicted. Waves have troughs and crests.

There are two variations on the standing rigging set up: Masthead and Fractional. On masthead rigs, the attachment point for the sidestays (shrouds), forestay, and backstay (if they exist) is at the top of the mast.