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YouTube

How Occam's Razor Changed the World of Science - With Johnjoe McFadden

The Royal Institution via YouTube

Overview

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Explore the profound impact of Occam's Razor on scientific thought in this enlightening lecture by Professor Johnjoe McFadden. Trace the origins of this principle from 13th-century friar William of Occam to its pivotal role in shaping modern scientific methodology. Delve into historical astronomical observations, the debunking of metaphysical proofs, and the evolution of cosmological models. Examine how the quest for simplicity has driven technological advancements and unified seemingly disparate realms of physics. Gain insights into the practical applications of Occam's Razor in scientific reasoning and its enduring relevance in contemporary research. Engage with thought-provoking questions about the nature of physical reality and the limits of simplicity in explaining complex phenomena.

Syllabus

Introduction
William of Ockham 1288 - 1347
The Stars through day/night
Planets - the wandering stars
Disproving Aquinas' 5 'proofs'
Ptolemy's epicycle system
Simple laws and technology
Statistical mechanics unified macroscopic and microscopic realm
Symmetry = simplicity
How does Ockham's razor work?
Why is Ockham's razor useful?
Physical entities beyond necessity?

Taught by

The Royal Institution

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