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Brief History of Science & Technology

Brief History of  Science & Technology 2000 BC              Chinese developed  Acupuncture 1900 BC               Knowledge of Geometry documented 1500 BC               Iron Age began in Southwest Asia 550 BC                Anaximander Mapped the

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LED (Light Emitting Diode)

–  Achyut Sapkota (M.Sc Physics) The PN junction diode which emits the light in forward biased condition is called LED (Light Emitting Diode). It emits the visible light and invisible

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Shape of Things to Come (Calendar of the Future)

– Gopal Bhandari Man is an imaging being. Imagination rules the world. Knowledge fills a large brain; it merely inflates a small one. Imagination is everything; it is the preview