Foucault's method in new settings
Abstract
In this paper, we introduce two simple and inexpensive versions of the well-known Foucault method for measuring the speed of light. In a footprint of just 20 cm by 270 cm with readily available laboratory items and a webcam, we obtained c=2967203000 km/s, and c=3022953000 km/s, respectively, both within less than a per cent of the defined value. The experiment also prepares students to work with large amounts of data.
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