The KaleidoPhoneScope: New Tricks For an Old Device

Lissajous-Bowditch curves have fascinated scientists, artists, and educators for over a century due to their mesmerizing beauty and versatile applications across various scientific fields. This paper delves into exploring these curves, not only as aesthetic marvels but also as powerful tools for scientific inquiry and educational activities. In particular, we present a practical activity centred around the construction of a modernized version of Wheatstone’s Kalei- dophone, aptly named the KaleidoPhoneScope, using cost-effective and readily available materials. The construction process entails 3D printing components of the device, which are complemented by the integration of a laser module and Raspberry Pi microcomputer for video recording and data analysis facilitated by a Python program. Beyond the immediate focus on Lissajous-Bowditch cur- ves, this paper highlights the potential for extending the device’s use to study other phenomena related to vibrational motion. Utilizing the principles behind the construction of the KaleidoPhoneScope, educators and learners can explore a wide range of vibration-related phenomena, fostering a deeper understanding of fundamental principles in physics and engineering. This paper bridges theore- tical insights with practical application, providing educators and learners with a valuable resource to not only enhance their understanding of Lissajous-Bowditch curves but also to engage in a stimulating educational experience that encourages exploration, experimentation, and innovation.