Make DIY hydrophobic sand at home! It’s a science-meets-craft project that stays dry under water—budget-friendly, vibrant, and totally mesmerizing. Great for sensory bins and STEM fun! If you’ve ...

A geotechnical engineer explains how water, air and sand create solid structures. By Joseph Scalia / The Conversation | Published Aug 22, 2022 9:00 PM EDT This article was originally featured on The ...

This article was originally featured on The Conversation. If you want to understand why some sandcastles are tall and have intricate structures while others are nearly shapeless lumps of sand, it ...