Following the success of the Manhattan Project, the U.S. sought to develop a potentially more powerful and deadly weapon – the Hydrogen Bomb. Despite having led the team at Los Alamos, J. Robert Oppenheimer became an outspoken opponent of the H-Bomb. His stance made him enemies who sought to undermine his influence, and soon his security clearance came into ... Show More
Feb 2024
The Underground Railroad | The Light of Freedom | 1
In the early 1800s, slavery rapidly expanded across the American South. But each year, thousands of courageous enslaved men, women, and children fled their owners in search of freedom. And in Philadelphia, secret allies came to their aid. Quaker abolitionists collaborated with fr ... Show More
41m 45s
Feb 2024
The Underground Railroad | Vigilance | 2
In the 1830s, abolitionism became a political force to be reckoned with. In the face of harassment and mob violence, Black and white abolitionists staged rallies, published newspapers, and flooded Congress with antislavery petitions. Increasingly, they made up the rank and file o ... Show More
40m 15s