Dimmel J, Pandiscio E, Bock C. Multiplication by Sunlight: How Can a Geometric Definition Be Realized in a Physical Tool?. JMETC [Internet]. 2021 Jun. 23 [cited 2024 Apr. 27];12(1):9-16. Available from: https://journals.library.columbia.edu/index.php/jmetc/article/view/7573