A simple voice communication using the modulation of the reflected light. Iraqi Journal of Physics, [S. l.], v. 16, n. 38, p. 10–1`6, 2018. DOI: 10.30723/ijp.v16i38.4. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/4.. Acesso em: 28 apr. 2024.