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.
What is swing dancing? Swing dancing is a dance style, or a group of dances, originating from Harlem, New York with Afro-American Roots. The feeling of the dance is swinging, as it developed to the swing style of jazz music from the 1920s to the 1940s or 50s. The most known swing dance is the lindy hop that is danced today around the whole world. Developing from dances called breakaway and Charleston, swing dancing has not only that swinging feeling but lots of space for improvisation between partners.