Can a Sandcastle Support a Brick?

The video tutorial demonstrates how to build a sand castle that can support weight using layers of sand and window screen. It explains the process of packing sand and alternating it with window screen layers to create a stable structure. The tutorial suggests testing the sand castle's strength by placing a brick on top and encourages using this method for a science project to explore weight support and the effect of screen spacing.

What new insight or understanding did you gain from this video?