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Scientific method

The painting 'The Epsom Derby' (1821) by Théodore Gericault (1791-1824) shows a horse race. All the horses have their feet in the air, no horse foot touches the ground.
Muybridge's photographs of The Horse in Motion, 1878, were used to answer the question whether all four feet of a galloping horse are ever off the ground at the same time. This demonstrates a use of photography as an experimental tool in science. A more important use of photography in science was by Charles Darwin in his The Descent of Man, 1871.

The scientific method refers to ways to get facts, correct errors and mistakes, and test theories.

The Oxford English Dictionary says that scientific method is: "a method or procedure that has characterized natural science since the 17th century". It is observation, measurement, and experiment, plus the formulation, testing, and modification of hypotheses.[1]

A scientist gathers empirical and measurable evidence, and uses sound reasoning.[2]

New knowledge often needs adjusting, or fitting into, previous knowledge.[3]

  1. ↑ Oxford English Dictionary - entry for scientific.
  2. ↑ "Rules for the study of natural philosophy". Newton, Isaac 1687, 1713, 1726. Philosophiae Naturalis Principia Mathematica. 3rd ed, University of California Press. ISBN 0-520-08817-4 From I. Bernard Cohen and Anne Whitman's 1999 translation, pp. 794–6, from Book 3, The System of the World.
  3. ↑ Goldhaber, Alfred Scharff & Nieto, Michael Martin 2010. Photon and graviton mass limits. Rev. Mod. Phys. 82: 939-979. [1]

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