How to Solve First Order Differential Equations Step-by-Step (Integrating Factor Method)

Purely History on Instagram: "Released in 1929, The Skeleton Dance was the very first entry in Walt Disney’s Silly Symphonies series. Directed by Ub Iwerks, it featured a group of skeletons dancing and playing music in a moonlit graveyard, animated perfectly to a playful classical-style score by Carl Stalling. The short was groundbreaking for its synchronization of music and movement, a concept that was still new in animation at the time. It combined humor, rhythm, and a touch of the macabre, sh

History Photographed on Instagram: "In a memorable 1969 episode of Mister Rogers' Neighborhood, Fred Rogers deliberately and subtly defied the racial segregation norms of the time by sharing a small wading pool with Officer Clemmons, one of the show's first recurring Black characters. ⁠ ⁠ The episode aired during a period of intense racial tension in the U.S., just one year after the assassination of Martin Luther King Jr., when many public swimming pools were still segregated and subject to unr