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Article Abstract:

The invention of achromatic lens must be credited to Chester Moor Hall, who worked on the concept years before John Dollond came up with his own idea. As early as 1729, Hall conceived the idea of developing a pair of lens that would allow users to view objects with total clarity without color fringes.

Author: Burke, James
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1998
History, Design and construction, Lenses, Lenses (Optics), Achromatic devices, Achromatism

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Breakfast thoughts

Article Abstract:

A high-pressure water system was built near Paris, France, in the 1600s that provided a fountain at the Palace of Versailles. The device was eventually modified to make punch cards, and later modified again to rivet a ship. Modifications redesigned golf balls and led to the manufacture of abrasives.

Author: Burke, James
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1996
Water, Abrasives

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Connections: highbrow stuff

Article Abstract:

A course in memory improvement leads a man to navigate through history and connect all the discoveries and innovations that led to Camilo Golgi's discovery of the cell unit that governs memory activity.

Author: Burke, James
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1996
Personal narratives, Memory, Neurophysiology

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