Does an african elephant's sound travel a distance of a mile or more?

Answer Yes. The Smithsonian National Zoo asserts that low-frequency sounds produced by the African elephant may travel a mile or more. The elephants live in parts of sub-Saharan Africa and are listed as e... Read More »

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If you jog a mile, and walk a mile which burns more calories?

Jogging would burn more calories as it would consume greater energy !

Does the distance you stretch the rubber band affect the distance it will travel?

The amount of potential energy in a stretched rubber band, and the distance it can travel, depends on how far it is stretched. According to Hooke's Law, an elastic object is stretched in proportio... Read More »

How to Use a Nautical Cleat?

Almost every time you stay at a dock, you will have to tie a cleat hitch. It takes a good sailor to tie it properly.

How do I write on nautical charts?

Use pencil to write on nautical charts, and use care so as not to smudge or tear them. Try to avoid erasures, as these too create smudges. Indecipherable or illegible marks and notations can create... Read More »