Spectrum Newsletter - 2015

Page 22

Adam Beehler’s Demolicious Physics presents:

DIFFRACTION: FOR THE RECORD

Lecture Demonstration Specialist beehler@physics.utah.edu A closeup image of the grooves on an LP record.

theSpectrum

Diffraction can be demonstrated by using the minute pit and groove spacing of different recording media. Since the spacing varies, the amount of diffraction does as well. This can be an indicator of the storage capacity of these media. Diffraction can help us shed some light on something we normally cannot see. 22


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