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Hazlett, Eric; Aragoneses, Andrés – Physics Teacher, 2018
We present a versatile experimental apparatus for exploring rotational motion through the interplay between the moment of inertia, torque, and rotational kinetic energy of a wheel. The heart of this experiment uses a 3D-printed wheel along with easily accessible stock components that allow for the adjustment of the moment of inertia while keeping…
Descriptors: Scientific Concepts, Science Instruction, Science Experiments, Science Equipment
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Monteiro, Martín; Stari, Cecilia; Cabeza, Cecilia; Marti, Arturo C. – Physics Teacher, 2017
Originally an empirical law, nowadays Malus' law is seen as a key experiment to demonstrate the transverse nature of electromagnetic waves, as well as the intrinsic connection between optics and electromagnetism. In this work, a simple and inexpensive setup is proposed to quantitatively verify the nature of polarized light. A flat computer screen…
Descriptors: Light, Physics, Handheld Devices, Telecommunications
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Pathare, Shirish Rajan; Raghavendra, M. K.; Huli, Saurabhee – Physics Teacher, 2017
Recently devices such as the optical mouse of a computer, webcams, Wii remote, and digital cameras have been used to record and analyze different physical phenomena quantitatively. Devices like tablets and smartphones are also becoming popular. Different scientific applications available at Google Play (Android devices) or the App Store (iOS…
Descriptors: Physics, Laboratory Experiments, Telecommunications, Handheld Devices
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Hassan, Umer; Pervaiz, Saad; Anwar, Muhammad Sabieh – Physics Teacher, 2011
Signal generators, oscilloscopes, and data acquisition (DAQ) systems are standard components of the modern experimental physics laboratory. The sound card, a built-in component in the ubiquitous personal computer, can be utilized for all three of these tasks and offers an attractive option for labs in developing countries such as…
Descriptors: Physics, Laboratory Equipment, Audio Equipment, Computer Peripherals
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Van Hook, Stephen J. – Physics Teacher, 2007
The pages of "The Physics Teacher" have featured several clever designs for homemade diffraction gratings using a variety of materials--cloth, lithographic film, wire, compact discs, parts of aerosol spray cans, and pseudoliquids and pseudosolids. A different and inexpensive method I use to make low-resolution diffraction gratings takes advantage…
Descriptors: Science Instruction, Physics, Inquiry, Teaching Methods