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Science and Mathematics x Electromagnetism, Optics, and Acoustics x clear all

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Anslow, Gladys Amelia

George Fleck.

in American National Biography Online

January 1999; p ublished online February 2000 .

Reference Entry. Subjects: Science and Mathematics; Education; Physics; Electromagnetism, Optics, and Acoustics. 1079 words.

Anslow, Gladys Amelia (22 May 1892–31 March 1969), physicist, educator, and spectroscopist, was born in Springfield, Massachusetts, the daughter of John Anslow, a textile colorist, lay...

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Badger, Richard McLean

Robert J. Paradowski.

in American National Biography Online

January 1999; p ublished online February 2000 .

Reference Entry. Subjects: Medicinal Chemistry; Electromagnetism, Optics, and Acoustics. 1820 words.

Badger, Richard McLean (04 May 1896–26 November 1974), physical chemist and molecular spectroscopist, was born in Elgin, Illinois, the son of Joseph Stillman Badger, a manager for General...

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Duality

Ian Walmsley.

in Light

September 2015; p ublished online September 2015 .

Chapter. Subjects: Electromagnetism, Optics, and Acoustics. 4092 words.

‘Duality’ considers how the two different models of light—particle and wave—were reconciled. The dualism issue was partially resolved by William Rowan Hamilton in his ‘optical analogy’...

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Electric and magnetic dipole allowed transitions of atoms for three-dimensionally isotropic left handedness in a mixed atomic vapor

Jian Qi Shen.

in Progress of Theoretical and Experimental Physics

P ublished online March 2014 .

Journal Article. Subjects: Quantum Physics; Electromagnetism, Optics, and Acoustics; Physics. 5365 words.

Since previous negative-index atomic media based on quantum optical approaches are highly lossy, a proposal for realizing a three-dimensionally isotropic left-handed atomic vapor medium is...

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Electronic sound

Mike Goldsmith.

in Sound

December 2015; p ublished online December 2015 .

Chapter. Subjects: Electromagnetism, Optics, and Acoustics. 3460 words.

‘Electronic sound’ explains the conversion of sound to electricity through the development of microphones, amplifiers, and loudspeakers. There are several types of microphones, but only...

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Hearing sound

Mike Goldsmith.

in Sound

December 2015; p ublished online December 2015 .

Chapter. Subjects: Electromagnetism, Optics, and Acoustics. 4419 words.

Our ears have two functions, hearing and balance, but what do they hear and how? We can experience a whole world of sound due to the precise coordination of highly evolved anatomical,...

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Huggins [née Murray], Margaret Lindsay, Lady Huggins

Barbara J. Becker.

in Oxford Dictionary of National Biography

September 2004; p ublished online September 2004 .

Reference Entry. Subjects: Astronomy and Astrophysics; Electromagnetism, Optics, and Acoustics. 1464 words.

Huggins [née Murray], Margaret Lindsay, Lady Huggins (1848–1915), astronomical spectroscopist and photographer, was born on 14 August 1848 at 23 Longford Terrace, Monkstown, co. Dublin, the...

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Light

Ian A. Walmsley.

September 2015; p ublished online September 2015 .

Book. Subjects: Electromagnetism, Optics, and Acoustics. 152 pages.

Light enables us to see the world around us, and this sensation of vision has led to a fascination with the nature and properties of light. Light: A Very Short Introduction discusses early...

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Light matters

Ian Walmsley.

in Light

September 2015; p ublished online September 2015 .

Chapter. Subjects: Electromagnetism, Optics, and Acoustics. 4938 words.

There are many different ways to generate light, but they all involve electric charges moving about. When these charges accelerate, then a simple law of physics is that they emit light....

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Light rays

Ian Walmsley.

in Light

September 2015; p ublished online September 2015 .

Chapter. Subjects: Electromagnetism, Optics, and Acoustics. 4371 words.

‘Light rays’ explores the idea that light is something that propagates in a straight line from the object to the viewer. Al-Hazen, in the 9th century, modified the understanding of light...

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