EXHIBITION UPDATE Last Chance to See Some Popular Objects! "Entertainment Nation”/ "Nación del espectáculo” Ray and Dagmar ...
Jack Kilby’s demonstration of the first working integrated circuit (IC) in 1958 revolutionized the field of microelectronics. Instead of using discrete transistors, resistors, and capacitors to form a ...
Our mission is to empower people to create a just and compassionate future by exploring, preserving, and sharing the complexity of our past.
A truly "grass roots" sport, organized "go-karting" arose in the late 1950s. In the 1930s and late 1940s, various types of smaller open-wheeled race cars had been developed for certain classes of ...
A desire to remove employees from Manhattan’s teeming humanity, particularly organized labor and “the machinations of the anarchists and socialists,” inspired William to purchase 400 acres across the ...
At 29, Earl Shaffer was a capable and experienced outdoorsman, with hunting, fishing, trapping, and exploring skills honed in his youth in rural York County, Pennsylvania. He developed these talents ...
"I remember this circumstance very well because of the excitement and surprise and incredulity which he manifested at the time. He asked me over and over again what it was." (William D. Coolidge, ...
Nineteenth-century Plains Indian drawings have often been called “ledger” drawings because they were made with pencil, ink, and watercolor on pages of old ledger or account books. When young Plains ...
This upright piano was made by John Isaac Hawkins in Philadelphia, Pennsylvania in 1801. Hawkins patented an ingenious small upright piano with a folding keyboard, of which the Smithsonian’s is an ...
The indications or uses for this product as provided by the manufacturer are: A diuretic for the kidneys and a mild laxative. "Swamp-Root" tends to promote the flow of urine thereby aiding the kidneys ...
The Constitution did not require white and African American children to attend the same schools. Social separation of blacks and whites was a regional custom; the states should be left free to ...
Before there were apps for tablets and smartphones, before mathematics education software was easily installed on personal computers, before electronic calculators entered professional practice and ...