The Electromagnetic Spectrum. The electromagnetic (EM) spectrum is the range of all types of EM radiation. Radiation is energy that travels and spreads out as it goes â the visible light that comes from a lamp in your house and the radio waves that come from a radio station are two types of electromagnetic radiation.
Top definition. fathom. 1. a unit of mesuring distance that is 6 feet or about equal to the length of a grown man's outstreched arms. 2. to contemplate or think about with effort. 1.the shipwreck is about 10 fathoms down. 2.who but the almighty can fathom the depths of the abyss.
Fathoms To Meters Converter. To use our fathoms to meters converter type the number of fathoms into the fathoms box, alternatively to convert meters to fathoms type the number of meters into the meters box. The fathom is now defined as 6 feet and is an Imperial and US customary unit of length used for water depth at sea. Earlier the fathom had varied between 5ft and 7ft in length with merchant vessels often using a fathom of 5Â½ft, warships using a fathom of about 6ft and fishing vessels sometimes using a fathom of 7ft.