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Historic Dispute : Are Atoms Real | Research & Encyclopedia Articles

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PHYSICAL SCIENCE

Historic Dispute : Are Atoms Real?

Viewpoint: Yes, atoms are real, and science has developed to the point that atoms can not only be seen, but can also be individually manipulated.

Viewpoint: No, many pre-twentieth-century scientists, lacking any direct evidence of the existence of atoms, concluded that atoms are not real.

At the start of his Lectures in Physics, the 1965 Nobel Laureate in Physics Richard Feynman asks what one piece of scientific knowledge the human race ought to try to preserve for future generations if all the other knowledge were to be destroyed in some inevitable cataclysm. His answer that the single most important scientific fact is that all matter is composed of atoms, now seems completely reasonable. How is it then, that less than 100 years before, the very existence of atoms could be disputed with some vehemence?

Although the notion of atoms has been around for a long time—over 2,500 years—it is important to note that it has meant different things in different epochs and to different thinkers. It meant one thing to the ancient Greek matter theorists, another to the Epicurean philosophers, something else to early modern scientific thinkers, yet another things to nineteenth century chemists, and means something a bit different again to contemporary atomic physicists.

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Historic Dispute : Are Atoms Real from Science in Dispute. ©2005-2006 Thomson Gale, a part of the Thomson Corporation. All rights reserved.

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