Experimental psychologists have developed their own magic trick to explore human perception. 32 percent of people were convinced by a magician that they'd just seen an object disappear, even though ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In 1881, Edwin Thacher, a "computing ...

This cylindrical calculating rule was designed to solve problems in spherical trigonometry encountered in navigation. For example, it could be used to compute the altitude and azimuth of a celestial ...

Thirteen artifacts from the National Museum of American History chronicle profound changes in the life of the nation Photographs by Jessica Antola by Robin Marantz Henig The sexual revolution didn’t ...