Book contents
- Frontmatter
- Contents
- Preface
- Part I Intracosmic space
- 1 Aristotle on void space
- 2 Medieval conceptions of the nature and properties of void space
- 3 The possibility of motion in void space
- 4 Nature's abhorrence of a vacuum
- Part II Infinite void space beyond the world
- Part III Summary and reflections
- Notes
- Bibliography
- Index
4 - Nature's abhorrence of a vacuum
Published online by Cambridge University Press: 07 October 2011
- Frontmatter
- Contents
- Preface
- Part I Intracosmic space
- 1 Aristotle on void space
- 2 Medieval conceptions of the nature and properties of void space
- 3 The possibility of motion in void space
- 4 Nature's abhorrence of a vacuum
- Part II Infinite void space beyond the world
- Part III Summary and reflections
- Notes
- Bibliography
- Index
Summary
FORMULATION OF THE CONCEPT
Few dicta are more inextricably linked with the Middle Ages than the declaration that “nature abhors a vacuum.” Although the full significance of this famous principle would be described and explicated only in the fourteenth century, it had already emerged in the thirteenth, when expressions such as natura abhorret vacuum, horror vacui, and fuga vacui began to appear. The origin of the principle is, however, unknown. But already in the first half of the twelfth century, Adelard of Bath expressed the fundamental idea of nature's resistance to a vacuum. In denying that magic plays any role in the failure of water to pour out of the holes in the bottom of a clepsydra when the holes in the top are stopped up, Adelard explained this strange phenomenon in cosmic terms by observing that
the body of this sensible universe is composed of four elements; they are so closely bound together by natural affection, that just as none of them would exist without the other, so no place is empty of them. Hence it happens, that as soon as one of them leaves its position, another immediately takes its place; nor is this again able to leave its position, until another which it regards with special affection is able to succeed it. […]
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- Much Ado about NothingTheories of Space and Vacuum from the Middle Ages to the Scientific Revolution, pp. 67 - 100Publisher: Cambridge University PressPrint publication year: 1981
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