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 modern Bharatanatyam was systematically regularized by well known 'Thanjavoor Brothers', Ponnayya, Chinnayya, Sivanandam and Vativelu. Bharatanatyam, also spelt Bharathanatyam, is a classical dance form of South India, said to be originated in Thanjavoor of Tamil Nadu.It was known as Daasiyattam since performed by Devadasies in temples of Tamil Nadu long ago.he name 'Bharatanatyam' is derived from three basic concepts of Bhava, Raga and Thaala. The modern Bharatanatyam was systematically regularized by well known 'Thanjavoor Brothers', Ponnayya, Chinnayya, Sivanandam and Vativelu. The dance is performed in the stage as Nritham, Nrithyam and Natyam.