The invention of commercially viable instant cameras which were easy to use is generally credited to American scientist Edwin Land, who unveiled the first commercial instant camera, the model 95 Land Camera, in 1948, a year after unveiling instant film in New York City.
Dr. Oz Says: The Secret Cause of Nighttime Leg Cramps (and Other Muscle Cramps Too) is a Severe Magnesium Deficiency. And the Solution is High-Dose, High Absorbing Magnesium. But Don't Take the Low-Quality Magnesium Pills From the Drug Store.
A sudden contraction, usually of the calf muscles, causes sharp pain that can last anywhere from a few seconds to 10 minutes. While leg cramps can be prevented, you can relieve an acute leg cramp with prompt movement and massage. This article will tell you how to relieve leg cramps.