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.
Most of the Indian classical dance forms are very ancient in nature. While most of them have evolved from the dancing rituals at the temples and involve storytelling mostly about Gods and Goddesses. There are eight dance forms recognized as classical dances by the Sahitya Natak Akademi. 1. Bharatnatayam: This dance form has its origin in the state of Tamil Nadu.