This reflects his desired to use the dialect as a teaching aid. They are today often broadcast on television and used as a teaching aid. Digitized documents are available in the library as a teaching aid. The Department of Anthropology has developed a museum as a teaching aid for students. His PhD research concerned the use of visualizations of intonation as a teaching aid. The film was used as a teaching aid in New York schools. It has been recommended as a teaching aid for science classes. Bell's many achievements in Uganda have been summarised as a teaching aid. It was developed into a teaching aid to help children acquire reading and writing skills. There is also a teaching aid sub-series known as the Instant Lesson Material books. It is produced by "Modern Teaching Aid" under licence of the Westermann Verlag. She works as a teaching aid at Malak Re-Engagement Centre in Malak, Darwin. He also created a teaching aid for the game, "Autobackgammon". Robotics is also used in STEM (science, technology, engineering, and mathematics) as a teaching aid.