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 now that there are two thousand elements which we cannot use to make a good light bulb. LEARN FROM MISTAKES.
Posted on: Sat, 19 Apr 2014 21:07:34 +0000

Trending Topics



Recently Viewed Topics




© 2015