abraham lincoln

A 1956 episode clip of the game show I've Got a Secret in which 95-year-old Samuel J. Seymour appears as the mystery guest. He was the last living eyewitness to Lincoln's assassination at Ford's Theater, and the panel tries to guess his secret.

A lecture by Commodore Grace Hopper on the future of computing, posted by MIT Lincoln Laboratory. It includes her well-known nanosecond wire demonstration and humorous comparisons of device latencies.

A short clip of molecular biologist Cristina Sanchez describing her lab research on how THC affects cancer cells. It is uploaded on a channel promoting cannabis as a cancer treatment.

An ESOTERICA episode tracing Yahweh from a warrior-storm god near Mt Seir to the god of the Israelites in the Judean highlands. It examines how Yahwism absorbed and contended with Canaanite religion.

Fermilab's Don Lincoln explains why light travels slower in water and glass. He knocks down common wrong explanations such as absorption and re-emission, then gives the wave-mechanics reason tied to refractive index.

Footage of the 1985 world premiere of the Amiga 1000 at Lincoln Center. It shows demos such as multitasking and the bouncing ball, and Andy Warhol painting Debbie Harry live on the machine.