Tin cry recrystallizing the metal. The low melting point of tin (only 232 °C, or about 500 K) makes re-casting easy. Tin anneals at reasonably-low temperature as well, normalizing tin's microstructure of crystallites/grains. Although the cry is most typical of tin, a similar effect occurs in other metals, such as niobium, indium, zinc, cadmium, gallium, and mercury. Tin cry A tin cry is the characteristic sound heard when a bar of tin is bent. Variously described as a "screaming" or "crackling" sound, the effect is caused by the crystal twinning in the metal. The sound is not particularly loud, despite terms like
Happy Anniversary (1959 film) Happy Anniversary (1959 film) Happy Anniversary is a 1959 picture starring David Niven and Mitzi Gaynor. Directed by David Miller, the movie's cast also included Carl Reiner and a young Patty Duke. Duke's next film, "The Miracle Worker", would earn her an Academy Award. Chris Walters is a happily married father of two. For his 13th wedding anniversary, he sneaks home with a gift for wife Alice, a diamond brooch, and with a desire to have a romantic interlude. Interruptions ensue. If it isn't their children, Debbie, and Okkie, needing something, it's their maid, Millie, or it's Alice's mother, Lilly,