Thomas Edison tried two thousand different materials in search of - TopicsExpress

Thomas Edison tried two thousand different materials in search of a filament for the light bulb. When none worked satisfactorily, his assistant complained, “All our work is in vain. We have learned nothing.” Edison replied very confidently, “Oh, we have come a long way and we have learned a lot. We know that there are two thousand elements which we cannot use to make a good light bulb.” Moral: We can also learn from our mistakes. #AppleWatch #Anantapur #AndhraPradesh #SanjayDutt #Kepler #LionelMessi #Rekha #HubbleSpaceTelescope #SakshiMaharaj #CharlieHebdo #NarendraModi #Modi #India #AUSvIND #ViratKohli #BipashaBasu #AirAsia

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