Light Emitting Diodes (LED’s) are solid state devices that are used for their light emission. LED’s work on the principle called electroluminescence. Electroluminescence is the process of electron and hole recombination through the application of an electric fields. When forward biasing a LED using a battery (or any other direct current source), electrons and holes … Continue reading The Invention of Blue Light Emitting Diodes
Author: U. Karadeniz
Biography -The Greatest Experimentalist Martha Rutherford with Eva and (left to right) Charles, Ernest, Jim, and Herbert, 1885. Ernest was 14. Credit: Tyree, Rutherford family. Imagine a village boy who shaped the science of our century. Not only with his own work also with his generations of incredible students. You guessed it right that boy is … Continue reading Ernest Rutherford
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