Hal Wallace

Hal Wallace is associate curator of the Electricity Collections at the National Museum of American History.

OPEN: The History of Neon Signs

OPEN: The History of Neon Signs

Technology Apr 20 2012, 10:17 AM ET

The story behind two mysterious signs in the Smithsonian's collection complicates the provenance of the invention. More »

More at the Atlantic

Meet the Most Indebted Man in the World

Meet the Most Indebted Man in the World

Sandy: The Aftermath

Sandy: The Aftermath

Occupy Wounded Knee

Occupy Wounded Knee

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