How Many Light Bulbs Does It Take to Change the World? [1 ed.] 9780255367868, 9780255367851

Almost every schoolchild learns that Thomas Edison invented the light bulb. But did he? And if he hadn’t invented it, wo

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How Many Light Bulbs Does It Take to Change the World? [1 ed.]
 9780255367868, 9780255367851

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