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Acquisition of knowledge

John J. Videler

in Avian Flight

Published in print:
2006
Published Online:
September 2007
ISBN:
9780199299928
eISBN:
9780191714924
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199299928.003.0001
Subject:
Biology, Ornithology

This chapter discusses the development of the understanding of bird flight and the physical laws governing flight, taking Aristotle’s philosophy and observations as a starting point. From the ... More


Variations on a Riefler bob shape

Robert James Matthys

in Accurate Clock Pendulums

Published in print:
2004
Published Online:
January 2010
ISBN:
9780198529712
eISBN:
9780191712791
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198529712.003.0012
Subject:
Physics, History of Physics

Riefler's bob shape consists of two truncated cones, back-to-back. It is a shape with low air drag, and works well inside the clock case, where front-to-back space is frequently limited. A 1988 study ... More


The Inheritance

Peter J. Westwick

in Into the Black: JPL and the American Space Program, 1976-2004

Published in print:
2006
Published Online:
October 2013
ISBN:
9780300110753
eISBN:
9780300134582
Item type:
chapter
Publisher:
Yale University Press
DOI:
10.12987/yale/9780300110753.003.0001
Subject:
History, History of Science, Technology, and Medicine

This chapter looks at the beginnings of the Jet Propulsion Laboratory (JPL), which began as a graduate-student rocket project at Caltech in the 1930s. At the time, Caltech was already a center for ... More


The Enigma of the Aerofoil: Rival Theories in Aerodynamics, 1909-1930

David Bloor

Published in print:
2011
Published Online:
September 2013
ISBN:
9780226060941
eISBN:
9780226060934
Item type:
book
Publisher:
University of Chicago Press
DOI:
10.7208/chicago/9780226060934.001.0001
Subject:
History, History of Science, Technology, and Medicine

Why do aircraft fly? How do their wings support them? In the early years of aviation, there was an intense dispute between British and German experts over the question of why and how an aircraft wing ... More


Movement in Air

Andrew A. Biewener and Shelia N. Patek (eds)

in Animal Locomotion

Published in print:
2018
Published Online:
May 2018
ISBN:
9780198743156
eISBN:
9780191803031
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198743156.003.0006
Subject:
Biology, Animal Biology, Ecology

Aerial flight involves the same fluid mechanical principles as aquatic locomotion. However, the 800-fold lower density of air compared with water has marked consequences on the mechanisms of aerial ... More


Introduction: The Question to Be Answered

David Bloor

in The Enigma of the Aerofoil: Rival Theories in Aerodynamics, 1909-1930

Published in print:
2011
Published Online:
September 2013
ISBN:
9780226060941
eISBN:
9780226060934
Item type:
chapter
Publisher:
University of Chicago Press
DOI:
10.7208/chicago/9780226060934.003.0001
Subject:
History, History of Science, Technology, and Medicine

This book discusses the question of why airplanes fly, but the problem is approached in a slightly unusual way. The author describes the history behind the technical answer to the question about the ... More


The Air as an Ideal Fluid: Hydrodynamics and the Foundations of Aerodynamics

David Bloor

in The Enigma of the Aerofoil: Rival Theories in Aerodynamics, 1909-1930

Published in print:
2011
Published Online:
September 2013
ISBN:
9780226060941
eISBN:
9780226060934
Item type:
chapter
Publisher:
University of Chicago Press
DOI:
10.7208/chicago/9780226060934.003.0003
Subject:
History, History of Science, Technology, and Medicine

This chapter discusses fluid dynamics and how it provided the intellectual resources that were common to both the British and German work on lift and drag, although the stance toward that common ... More


Lanchester’s Cyclic Theory of Lift and Its Early Reception

David Bloor

in The Enigma of the Aerofoil: Rival Theories in Aerodynamics, 1909-1930

Published in print:
2011
Published Online:
September 2013
ISBN:
9780226060941
eISBN:
9780226060934
Item type:
chapter
Publisher:
University of Chicago Press
DOI:
10.7208/chicago/9780226060934.003.0005
Subject:
History, History of Science, Technology, and Medicine

This chapter lays the foundations for an explanation of the negative response to circulation theory. Given that the circulation theory later came to be accepted as the correct account of lift, this ... More


Flight

Anders Hedenström

in Living machines: A handbook of research in biomimetics and biohybrid systems

Published in print:
2018
Published Online:
June 2018
ISBN:
9780199674923
eISBN:
9780191842702
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780199674923.003.0032
Subject:
Neuroscience, Sensory and Motor Systems, Development

Animal flight represents a great challenge and model for biomimetic design efforts. Powered flight at low speeds requires not only appropriate lifting surfaces (wings) and actuator (engine), but also ... More


Winged artifacts

Wolfgang Send

in Living machines: A handbook of research in biomimetics and biohybrid systems

Published in print:
2018
Published Online:
June 2018
ISBN:
9780199674923
eISBN:
9780191842702
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780199674923.003.0046
Subject:
Neuroscience, Sensory and Motor Systems, Development

Winged artifacts aim at the imitation of nature’s ingenious method to produce thrust with slim and smart-shaped flapping surfaces—the bending-torsional drive. The kinematics of these surfaces shows, ... More


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