'Without this 1947 invention of Shockley, Bardeen & Brattain, we'd have 40-pound Walkmans'
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AMERICAN INVENTIONS: Without this 1947 invention of Shockley, Bardeen & Brattain, wed have 40-pound Walkmans
Without this 1947 invention of Shockley, Bardeen & Brattain, we'd have 40-pound Walkmans
Without this 1947 invention of Shockley, Bardeen & Brattain, we'd have 40-pound Walkmans
AMERICAN INVENTIONS
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AMERICAN INVENTIONS