The music of the spheres
Lewicki, M. & Hughes, S. (2012) The music of the spheres. Physics Education, 47(4), pp. 418-422.
This article describes a method for making a spectroscope from scrap materials, i.e. a fragment of compact disc, a cardboard box, a tube and a digital camera to record the spectrum. An image processing program such as ImageJ can be used to calculate the wavelength of emission and absorption lines from the digital photograph. Multiple images of a spectrum can be stacked to reduce random noise, enabling spectra of faint objects to be obtained. Some basic experiments are described, such as viewing the spectrum produced by various types of lamp and the Sun. © 2012 IOP Publishing Ltd.
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|Item Type:||Journal Article|
|ISSN:||1361-6552 (online) 0031-9120 (print)|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2012 Institute of Physics Publishing Ltd.|
|Deposited On:||31 Jul 2012 00:02|
|Last Modified:||09 Aug 2012 04:02|
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