Description: When curators at the Smithsonian National Museum of American History looked at seven radiometers in storage, they learned the instruments had been at the Smithsonian for nearly one hundred fifty years.
Description: On September 28, 1999, representatives of dozens of tribes from across the hemisphere gathered on the National Mall for the groundbreaking of the Smithsonian’s National Museum of the American Indian. On the overcast morning, several hundred people packed under three tents during a ceremony that featured blessings from the four cardinal directions. After the ceremony, some