Words to Know
Electromagnetic Spectrum: the entire range of wavelengths or frequencies of electromagnetic radiation extending from gamma rays to the longest radio waves and including visible light
the number times that something (such as a sound wave or radio wave) is repeated in a period of time (such as a second)
a periodic motion of the particles of an elastic body or medium in alternately opposite directions from the position of equilibrium when that equilibrium has been disturbed (as when a stretched cord produces musical tones or molecules in the air transmit sounds to the ear)
a component frequency of a complex wave (as of electromagnetic energy) that is an integral multiple of the fundamental frequency
to have particular meaning or importance for someone ; to relate harmoniously
a concept used by dowsers and adherents of geomancy to quantify the strength of a postulated "cosmo-telluric energy" inherent in a location
Schumann resonances (SR) are a set of spectrum peaks in the extremely low frequency (ELF) portion of the Earth's electromagnetic field spectrum
a unit used for measuring the frequency of sound waves