Halpern MK, Evjen M, Cosley D, Lin M, Tseou S, Horowitz E, Peesapati T, Gay G. SunDial: embodied informal science education using GPS. MedieKultur [Internet]. 2011 Jun. 27 [cited 2025 Aug. 27];27(50):18 p. Available from: https://www.mediekultur.dk/article/view/3341