Laser lithotripsy was invented at the Wellman Center for Photomedicine at Massachusetts General Hospital in the 1980s to remove impacted urinary stones. Optical fibers carry light pulses that pulverize the stone. Candela licensed the technology and released the first commercial laser lithotripsy system.
The Scientific Revolution changed the way people thought about the physical world around them. The same spirit of inquiry that fueled the Renaissance, led scientists to question traditional beliefs about the workings of the universe.he Scientific Revolution had far reaching effects. Besides changing the way people thought about the universe, the use of the Scientific Method resulted in discoveries in medicine, physics, and biology.
The Structure of Scientific Revolutions is a book about the history of science by the philosopher Thomas S. Kuhn. Its publication was a landmark event in the history, philosophy, and sociology of scientific knowledge. Kuhn challenged the then prevailing view of progress in normal science. Normal scientific progress was viewed as development-by-accumulation of accepted facts and theories. Kuhn argued for an episodic model in which periods of such conceptual continuity in normal science were i