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.
For other uses, see Sonic (disambiguation). Sonic Drive-In, more commonly known as Sonic, is an American drive-in fast-food restaurant chain based in Oklahoma City, Oklahoma. As of August 31, 2016, 3,557 restaurants were in 45 U.S. states. In 2011, it was ranked 10th in QSR Magazine's rankings of the top 50 quick-service and fast-casual restaurant brands in the nation.