Magnetic resonance imaging (MRI) is an imaging tool that creates detailed, cross-sectional pictures of the inside of the body. Using radiofrequency waves, powerful magnets and a computer, MRI systems are able to distinguish between normal and diseased tissue.agnetic resonance imaging (MRI) is an imaging tool that creates detailed, cross-sectional pictures of the inside of the body. Using radiofrequency waves, powerful magnets and a computer, MRI systems are able to distinguish between normal and diseased tissue.
0. 1  Troy N. Smith, Sr. opened a restaurant that would become the first Sonic Drive-In at Stillwater, Oklahoma in 1953. Smith's original plan was to tear down the existing small walk up root beer stand, called the Top Hat, and open a steakhouse in the log cabin that was on the site.
In 1937 Richard and Maurice (Dick and Mac) McDonald opened their first restaurant in Arcadia, Ca and called it the Airdrome. In 1940 the McDonald brothers opened McDonald's Barbeque restaurant in San Bernardino, CA and soon found hamburger to be their big money maker.n 1937 Richard and Maurice (Dick and Mac) McDonald opened their first restaurant in Arcadia, Ca and called it the Airdrome. In 1940 the McDonald brothers opened McDonald's Barbeque restaurant in San Bernardino, CA and soon found hamburger to be their big money maker.