A video tape recorder (VTR) is a tape recorder designed to record and play back video and audio material from magnetic tape. The early VTRs were open-reel devices that record on individual reels of 2-inch-wide (5.08 cm) tape.
invented by Shintaro Uda
A Yagi–Uda antenna or simply Yagi antenna, is a directional antenna…
invented by Theodore Maiman
A laser is a device that emits light through a process of optical amplification…
invented by Alastair Pilkington
Float glass is a sheet of glass made by floating molten glass on a bed of…
invented by Xerox PARC
Model–view–presenter (MVP) is a derivation of the model–view–controller…
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