Expansion of Knowledge

This year is the 50th anniversary of the invention of the laser. It is being promoted by the American Physical Society on a website called LaserFest. What drew my attention was the amazing timeline of the inventions which has led to 8 Nobel prizes over the period. From CD and DVD players to defense systems, space applications and optical communications, the invention of the laser has expanded the way we live. It is a demonstration of the Law of Natural Growth described by Thomas Troward (1847-1916) in his Edinburgh Lectures. This law says that the Universe, Nature, Mankind has a natural tendency to expand. Where once was the chance to stimulate microwaves and amplify them further research expanded the principles to light radiation, then to electrons then to x-rays. Each invention relying on foundation principles of the previous generation. This is the way knowledge grows. You see it in humans, science and in understanding spiritual principles.