What made the last century’s great innovations possible?
Transforming how people live requires more than scientific discovery
![historical photo of a 1920s radio broadcast station with men wearing headphones](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/03/100_spotlight-innovation_feat.jpg?resize=1440%2C700&ssl=1)
In the early decades of the 20th century, automobiles, telephone service and radio (broadcast of the 1920 U.S. presidential election results from KDKA station in Pittsburgh is shown) were transforming life.
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