Named after Heinrich Hertz and abbreviated as Hz or illustrated as the f symbol, hertz equals one (0.00000000125) cycle per second, measuring the waves or frequencies of electric changes each second. Hertz is commonly used to measure a computer monitor's refresh rate and in computer processors.
Modern dance. The form of dance style known as modern dance is an artistic dance form that allows free movement based on choreography that seeks to provide the audience with a subject and theme. Modern dance performers created this free form style to allow older dancers to continue to dance long after their ballet dance careers ended.
Modern dance, although defined in many dictionaries as âa form of contemporary theatrical and concert dance employing a special technique for developing the use of the entire body in movements expressive of abstract ideas,â is a label that has begun to feel outdated for describing works created in the 21st century.