Drop attacks and Vertigo and Head symptoms (4 causes) Drop attacks and Vertigo and Low blood pressure (4 causes) Drop attacks and Vertigo and Sensations (4 causes) Drop attacks and Vertigo and Breathing difficulties (4 causes) Drop attacks and Vertigo and MORE SYMPTOMS.
Woodland was an employee at the time of IBM. In June 1974, one of the first UPC scanner, made by NCR Corp. (which was then called National Cash Register Co), was installed at Marsh's supermarket in Troy, Ohio. On June 26, 1974, the first product with a bar code was scanned at a check-out counter. It was a 10-pack of Wrigley's Juicy Fruit chewing gum. The pack of gum wasn't specially designated to be the first scanned product.
He was 84. The first CT machine took nine days to scan an object. Processing the information by computer then took 21 hours. Despite such formidable obstacles, researchers were undaunted.Hounsfield conceived the idea for a CAT scanner in 1967. By 1972, he had built a machine that produced detailed cross-sectional images of the brain in less than five minutes.