A coronary angiogram (an X-ray with radiocontrast in the coronary arteries) that shows the left coronary circulation. The distal left main coronary artery (LMCA) is in the left upper quadrant of the image.
U-Boat Watches - Back in 1942 the Officine Fontana was poised to produce a professional watch for the distinguished officers of its navys U-Boats. Though the project was ultimately scrapped, the distinctive original drawings, color samples and innovative materials were lovingly preserved for more than 60 years.
Modern boat shoes were invented in 1935 by Paul A. Sperry of New Haven, Connecticut after noticing his dog's ability to run easily over ice without slipping. Using a knife, he cut siping into his shoes' soles, inspiring a shoe perfect for boating and a company called Sperry Top-Sider.