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 feet length units conversion table shows the most common values for the quick reference. Alternatively, you may use the converter below to convert any other values. 1 Fathom = 6 Feet. Fathom is an imperial, U.S. customary length unit and usually used to measure the depth of water. The abbreviation is ftm. Foot is an imperial, U.S. customary length unit and commonly used in daily life.