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Dec 1989

Volume 27, Issue 9, pp. 644-687


120 decibels!

Thomas D. Rossing

The Physics Teacher -- December 1989 -- Volume 27, Issue 9, pp. 644

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43.55.Gx Studies of existing auditoria and enclosures
43.50.Cb Noise spectra, determination of sound power

Osmosis revisited

Theodore Reiff, Editor, J. A. G. McClelland, Editor, Lewis Epstein, Editor, and James Boyd, Editor

The Physics Teacher -- December 1989 -- Volume 27, Issue 9, pp. 644

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66.10.C- Diffusion and thermal diffusion
82.39.Wj Ion exchange, dialysis, osmosis, electro-osmosis, membrane processes

Delayed flight times

James B. Shaw, Jr.

The Physics Teacher -- December 1989 -- Volume 27, Issue 9, pp. 645

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06.20.Jr Determination of fundamental constants
84.40.-x Radiowave and microwave (including millimeter wave) technology
01.50.Pa Laboratory experiments and apparatus

Australian solution

John L. Morgan

The Physics Teacher -- December 1989 -- Volume 27, Issue 9, pp. 645

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01.30.mp Textbooks for undergraduates

Hewitt didn’t goof

Roy W. Clark

The Physics Teacher -- December 1989 -- Volume 27, Issue 9, pp. 646

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62.10.+s Mechanical properties of liquids

Shady thoughts

Fred F. Pregger

The Physics Teacher -- December 1989 -- Volume 27, Issue 9, pp. 646

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42.25.Bs Wave propagation, transmission and absorption

Marbles in collision

Irvin A. Miller

The Physics Teacher -- December 1989 -- Volume 27, Issue 9, pp. 646

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01.50.My Demonstration experiments and apparatus
45.05.+x General theory of classical mechanics of discrete systems

The pinhole camera: Imaging without lenses or mirrors

Matt Young

The Physics Teacher -- December 1989 -- Volume 27, Issue 9, pp. 648 | Cited 2 times

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07.68.+m Photography, photographic instruments; xerography
42.30.Va Image forming and processing
42.15.Dp Wave fronts and ray tracing

Women and the elements: The role of women in element and fission discoveries

Joseph L. Spradley

The Physics Teacher -- December 1989 -- Volume 27, Issue 9, pp. 656

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01.60.+q Biographies, tributes, personal notes, and obituaries
25.85.Ca Spontaneous fission
23.90.+w Other topics in radioactive decay and in-beam spectroscopy (restricted to new topics in section 23)

Two approaches to learning physics

David Hammer

The Physics Teacher -- December 1989 -- Volume 27, Issue 9, pp. 664 | Cited 6 times

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01.40.-d Education

Road sign

Peter O’Connell

The Physics Teacher -- December 1989 -- Volume 27, Issue 9, pp. 670

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06.20.F- Units and standards

Sacrificing a cheap guitar in the name of science

Donald E. Hall

The Physics Teacher -- December 1989 -- Volume 27, Issue 9, pp. 673 | Cited 3 times

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01.50.My Demonstration experiments and apparatus
43.40.Cw Vibrations of strings, rods, and beams
43.75.Gh Plucked string instruments
43.40.At Experimental and theoretical studies of vibrating systems

Russian physics education—How good is it?

David L. Wallach

The Physics Teacher -- December 1989 -- Volume 27, Issue 9, pp. 678

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01.30.mp Textbooks for undergraduates
01.40.G- Curricula and evaluation
01.55.+b General physics

A lizard’s pinhole camera and related desert optics

George Barnes

The Physics Teacher -- December 1989 -- Volume 27, Issue 9, pp. 680

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42.66.Ct Anatomy and optics of eye
42.66.Lc Vision: light detection, adaptation, and discrimination
42.66.Si Psychophysics of vision, visual perception; binocular vision

Math abilities of physics students

H. T. Hudson

The Physics Teacher -- December 1989 -- Volume 27, Issue 9, pp. 681

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01.55.+b General physics

Doing physics

Earl Zwicker, Editor

The Physics Teacher -- December 1989 -- Volume 27, Issue 9, pp. 684

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01.50.My Demonstration experiments and apparatus
41.20.Gz Magnetostatics; magnetic shielding, magnetic induction, boundary-value problems

How things work

H. Richard Crane

The Physics Teacher -- December 1989 -- Volume 27, Issue 9, pp. 687

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87.19.-j Properties of higher organisms
43.80.Cs Acoustical characteristics of biological media: molecular species, cellular level tissues
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