X-RAYS
X-rays were discovered by a German scientist named Roentgen in 1985. They can pass through most substances including soft tissues of the body but not through bones and most metals.… Read More »X-RAYS
Dangers of X-rays and the precautions
X-rays were discovered by a German scientist named Roentgen in 1985. They can pass through most substances including soft tissues of the body but not through bones and most metals.… Read More »X-RAYS