MINIMUM WAGE RATE TEXAS: $7.25 per hour. Texas adopts the federal minimum wage rate by reference. Any changes of the federal minimum wage will automatically affect the Texas minimum wage. Or approximately $290 per week. Based on a 8 hour day and 260 days work per year before taxes.
History of Radiography. X-rays were discovered in 1895 by Wilhelm Conrad Roentgen (1845-1923) who was a Professor at Wuerzburg University in Germany. Working with a cathode-ray tube in his laboratory, Roentgen observed a fluorescent glow of crystals on a table near his tube.
Best Answer: It is just an abbreviation. The term is xerography. The first x-ray was discovered by Wilheim Roentgen. The procedure was then called roentgenology.-ray, is actually describing the ray used, which is X or roentgen ray, named X by the man who discovered it. He called it X because it was unkown. It is a wave of photons. Check out the research -- it is interesting.