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.
Here are some tips to prevent leg cramps: 1  Stay well hydrated. 2  Stretch each day, especially before you exercise. 3  Limit or avoid alcohol. 4  Eat a balanced diet that includes natural sources of calcium, potassium and magnesium. 5  Increase your activity level gradually.