美国物理教师协会
期刊
会议
图书
作者:Yasuo Ogawara
来源:[J].The Physics Teacher, 2020, Vol.58 (3), pp.186-190
摘要:When we teach thermodynamics, a vacuum container used to keep food isolated from air is a cheap and interesting teaching device. There are some experiments already described in the literature and we can also find videos of demonstrations on YouTube. At the same time, there is inc...
作者:Bruce W. Liby , Sean Heffernan
来源:[J].The Physics Teacher, 2020, Vol.58 (2)
摘要:Fitness centers and retail stores have often been accused of using “thinning” mirrors to enhance the images of their clientele. In this paper, the authors build a flatness gauge and use it to measure the curvature of the mirrors at a local fitness center. From these measurem...
作者:Joe Milliano
来源:[J].The Physics Teacher, 2020, Vol.58 (2), pp.136-137
摘要:Electric potential is one of the more challenging topics for students to wrap their heads around in the introductory physics sequence. Energy, an already abstract concept, is now made even more opaque. Consider a system of a single charged particle. How much electric potential en...
来源:[J].The Physics Teacher, 2020, Vol.58 (2), pp.118-118

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