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.
The dance of the future ; I see America dancing ; Richard Wagner / Isadora Duncan ; The sexual idiom : from Apology for dancing / Rayner Heppenstall ; Mind and medium in the modern dance / Katharine Gilbert ; My teacher Laban ; The philosophy of the modern dance / Mary Wigman ; Merce Cunningham and the politics of perception / Roger Copeland --Post-modern dance.