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Originally Posted by Turtle
The essential definition of theory as used scientifically is:
1. A set of statements or principles devised to explain a group of facts or phenomena, especially one that has been repeatedly tested or is widely accepted and can be used to make predictions about natural phenomena.
http://www.thefreedictionary.com/theory
For example, the theory of levers is not in question as to its truth in application to the physical reality.  |
Technicians don't need theory for their jobs, but current scientists need theory for their researches. I would like to invite you visit the website of LISA [Home Page]
http://lisa.jpl.nasa.gov/, which stands for The Light Interferometer Space Antenna. LISA is cooperation between EGA and NASA. Scientists who working in LISA are using General Relativity Theory for a program that they named "Prediction of Gravitational Waves (1916) in General Relativity Theory (1915)."
