Thank you for all of your help on the previous question I asked! Well, it was decided again that my History teacher would give me another unknown guy with some very vague clues.
http://i134.photobucket.com/albums/q120/cerealpancakes/badgradient.jpg?t=1165982109
"This guy had a bright idea, because he decided to transform something used in day to day life to make it better, cheaper, and more pervasive to the consumer. Who is he, what and when did he invent it, and name 5 things in which this invention is used."
2006-12-12 15:02:54 · 1 answers · asked by cerealpancakes 1 in Arts & Humanities ➔ History
William David Coolidge?
1910 - William David Coolidge (1873-1975) invented an improved method of making tungsten filaments. The tungsten filament outlasted all other types of filaments and Coolidge made the costs practical.
light bulbs?
2006-12-12 15:16:04 · answer #1 · answered by x_athymia_x 4 · 0⤊ 0⤋