{"product_id":"who-was-thomas-alva-edison","title":"Who was Thomas Alva Edison?","description":"\u003cp\u003e\u003cstrong\u003eFishing line, spiderwebs, human hair: he tried them all for his lightbulb.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWho Was Thomas Alva Edison?\u003c\/em\u003e is an illustrated biography of the inventor whose electric lightbulb changed the way people live.\u003c\/p\u003e\n\u003cp\u003eAs a curious boy, Tom fed a friend worms, hoping she would take off like a bird. He left school young and had trouble hearing for the rest of his life, but never stopped experimenting. The book follows him from his first business to his laboratory.\u003c\/p\u003e\n\u003ch3\u003eWhat they'll discover\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHow his universal stock printer sent the changing value of gold to Wall Street businesses.\u003c\/li\u003e\n\u003cli\u003eWhy finding out what did not work mattered as much as finding what did.\u003c\/li\u003e\n\u003cli\u003eThe organ in his laboratory, played with two fingers, perhaps to help him think.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBy Margaret Frith · Illustrated by John O'Brien · Who Was? series · English\u003c\/p\u003e\n\u003ch3\u003eQuick answers\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is a filament?\u003c\/strong\u003e The thin thread inside a lightbulb that glows. Tom's team tested everything from bamboo to fishing line to find the right one.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it only about the lightbulb?\u003c\/strong\u003e No. It also covers the phonograph and the kinetoscope, one of the first machines for watching moving pictures.\u003c\/p\u003e","brand":"Penguin","offers":[{"title":"Default Title","offer_id":67926517973103,"sku":"9780448437651","price":499.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3159\/7679\/files\/who-was-thomas-alva-edison-front-cover.jpg?v=1792626209","url":"https:\/\/brainchapters.com\/products\/who-was-thomas-alva-edison","provider":"Brain Chapters","version":"1.0","type":"link"}