Based on work by Dr Oliver Kreylos at UCLA Davis, the Augmented Reality Sandbox supporting the work of the River Wey Trust is a dynamic model of a topographic map. Using projection, the changes in the sand surface are reflected in the changing contours and relief map colours appearing on the sand.
a short video -
The Trust's AR Sandbox ready for the Royal Institution Christmas Lecture - this session broadcast on BBC4 on 29th December 2020 (available on RI YouTube channel too)
Helen Czerski using the Trust's sandbox in the RI Christmas Lectures
Credits:
River Wey Trust