- Messier 50 (Wikipedia)
Messier 50 or M 50, also known as NGC 2323 or the Heart-shaped Cluster, is an open cluster of stars in the constellation Monoceros. It was recorded by G. D. Cassini before 1711 and independently discovered by Charles Messier in 1772[b] while observing Biela’s Comet. It is sometimes described as a ‘heart-shaped’ figure or a blunt arrowhead.
- Duck and Cover (1080p) (Remastered) (youtube.com)
“Duck and Cover” is a Civil Defense film, demonstrating the “Duck and Cover” technique of minimizing harm from a nuclear blast. The techniques have been widely ridiculed, although experts still support them. Some critics believe the film was meant to serve a dual purpose of propagandizing against communism.
- Duck and Cover (film) (Wikipedia)
Duck and Cover is a 1951 American civil defense animated and live action social guidance film that is often mischaracterized as propaganda. It has similar themes to the more adult-oriented civil defense training films. It was widely distributed to United States schoolchildren in the 1950s, and teaches students what to do in the event of a nuclear explosion.