Discover the fascinating story of penicillin, an antibiotic that revolutionized the medical world. From its humble beginnings ...

Obverse Image: Dot in the center, surrounded by four Chinese characters in a circle; Chinese text above denoing the date and below denoting mint; small rosaces to the right and left.

The Smithsonian’s National Museum of American History recently collected the laptop used by an IRS Criminal Investigation ...

The American Presidency opened in November of 2000, and is a large exhibition measuring 7,500 square feet. The main entrance features the exhibition title and is adjacent to the First Ladies ...

For more than 500 years, waves of new Americans arrived by sea. In that time, the nation’s seacoasts, rivers, lakes, and ...

To count revolutions of the shafts that ran machinery, engineers used counters like this one. The manufacturer, L. S. Starrett Company of Athol , Mass., called the device a speed indicator, although ...

Physical Description: wood, ash (overall material)Measurements: overall: 35 in x 2 1/2 in; 88.9 cm x 6.35 cm ...

The Gunboat Philadelphia exhibition has been reinterpreted and updated to include its recovery in 1935, a history of its display at Lake Champlain as well as early preservation and acquisition by the ...

For Barbara Beirne, being a photographer meant building a relationship of trust and collaboration with her subjects and using ...

The U.S. Supreme Court’s decision in Brown v. Board of Education marked a turning point in the history of race relations in the United States. On May 17, 1954, the Court stripped away constitutional ...

Luciille Angiel Calmes received this Jailed for Freedom pin, a small silver prison door with a heart-shaped lock, after she was arrested and sentenced to five days in a District of Columbia jail for ...

An engine indicator is an instrument for graphically recording the cylinder pressure versus piston displacement through an engine stroke cycle. Engineers use the resulting diagram to check the design ...