6"/53 caliber gun 6"/53 caliber gun The 6"/53 caliber gun (spoken "six-inch-fifty-three-caliber") formed the main battery of some United States Navy light cruisers and three US submarines built during the 1920s. United States naval gun terminology indicates the gun fired a projectile 6 inches (15 cm) in diameter, and the barrel was 53 calibers long (barrel length is 6 inch x 53 = 318 inches or 8 meters.) The gun with side swing Welin breech block and Smith-Asbury mechanism weighed about 10 tonnes and used a silk bag containing 44-pounds (20 kg) of smokeless powder to give a 105-pound (47.6 kg) projectile a
12 Inches of Sin 12 Inches of Sin 12 Inches of Sin is an annual international juried exhibition of erotic art in Las Vegas. Founded in 2010, it explores human identity, sexuality, gender, and artistic expression. Accepted works include paintings, photographs, digital art, sculpture, illustration, mixed media and short films, but each work must not be larger than 12 inches in any direction (or one foot square). An expert jury of 12 judges chooses 36 artists from submissions. Artists from 26 countries have participated to date. 12 Inches of Sin was founded in 2010 by the sexologist and gallerist Laura Henkel in her Sin