Revolutionary inventions from the 1920s, including medical breakthroughs like insulin and everyday innovations like Band-Aids, sliced bread, and the polygraph.
Every year for over two decades, TIME editors have highlighted the most impactful new products and ideas in TIME’s Best ...
Revolutionary inventions from the 1920s, including medical breakthroughs like insulin and everyday innovations like Band-Aids, sliced bread, and the polygraph.
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