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Direct linkBaird, William; Secrest, Jeffery; Padgett, Clifford; Johnson, Wayne; Hagrelius, Claire – Physics Teacher, 2016
Using the Sun to tell time is an ancient idea, but we can take advantage of modern technology to bring it into the 21st century for students in astronomy, physics, or physical science classes. We have employed smartphones, Google Earth, and 3D printing to find the moment of local noon at two widely separated locations. By reviewing GPS…
Descriptors: Handheld Devices, Astronomy, Physics, Time
Peer reviewedNenninger, Garet G. – Physics Teacher, 2000
Examines the design and construction of a mini-sextant and its use in demonstrating Fresnel reflection, geometric optics, and several common optical techniques. A sidebar explains the basic use of the mini-sextant as a navigational tool. (WRM)
Descriptors: Demonstrations (Science), Higher Education, Instructional Materials, Light
