Step right up and travel back in time to a world of wonder and innovation - the World's Fairs! In the days before social media, these global exhibitions were the hottest ticket in town, showcasing the newest and most cutting-edge creations. From 'picturephones' to glass cars, inventors and visionaries from around the globe came to dazzle audiences with their groundbreaking inventions.
Here are 14 of the most fascinating inventions that debuted at these iconic fairs, offering a glimpse into the past and the future.
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