Event Summary:
The scientific method emerged during the Scientific Revolution as a systematic approach to understanding nature. It emphasized observation, hypothesis, experimentation, and verification. Developed by thinkers like Francis Bacon and Galileo, this method replaced reliance on authority with testable, repeatable inquiry—forever changing science, medicine, and technology.
Break from Scholasticism:
Medieval science relied on Aristotelian logic and scripture. The scientific method rejected this authority-first model in favor of empirical investigation.
Francis Bacon’s Inductive Reasoning (1620):
In Novum Organum, Bacon (age 59) proposed collecting data first, identifying patterns, and forming general laws—inductive method.
- “Knowledge is power” reflected his belief in discovery through methodical inquiry.
Galileo’s Experimental Science:
Galileo tested physical laws using controlled experiments and instruments. He emphasized quantification, repeatability, and mathematical modeling.
Steps of the Scientific Method (Classic Model):
- Observation – Identify a phenomenon or pattern.
- Question – Ask why or how it occurs.
- Hypothesis – Form a testable explanation.
- Experiment – Design tests with variables and controls.
- Analysis – Evaluate results using logic or math.
- Conclusion – Confirm, revise, or reject the hypothesis.
- Replication – Repeat for reliability and consensus.
Descartes’ Rationalist Variation:
René Descartes preferred deductive reasoning—starting from self-evident truths and applying logic. His method emphasized clarity and certainty over data collection.
Newton Combines Both:
Isaac Newton used observation, deduction, and experimentation to derive universal laws—blending Baconian and Cartesian elements.
Institutionalization of Method:
Scientific academies in London, Paris, and Florence formalized peer review, replication, and data sharing—hallmarks of modern science.
Critiques and Refinements:
Philosophers like Karl Popper added falsifiability. Thomas Kuhn emphasized paradigms and scientific revolutions over linear progress.
Why It Matters:
The scientific method empowered humanity to ask better questions and test answers with evidence—founding all modern science and medicine.
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