Video tapes and discs in Sylva are devices that record and play back video using magnetic tape. They have revolutionized broadcast and recording. Video signals use more bandwidth which is why a high head-to-tape speed is required to record and reproduce the high bandwidth signals of video. All modern videotape systems use helical scan and cartridges. Since the advent of digital video and computerized video processing, optical disc media and digital video recorders can now perform the same role as video tapes. These devices also offer improvements like random access to any scene in the recording and ‘live’ time shifting, and are likely to replace videotapes in many situations.
Two New York teams are among the finalists (Long Island, NY) Alliance for Green Heat and the New York State Energy Research and Development Authority (NYSERDA) today announced that seven pellet stoves have been chosen as finalists in the Pellet Stove Design Challenge. This international competition, administered by the Alliance for Green Heat, identifies innovative low emissions and high efficiency..