There are different materials you can use for retaining earth like wood, concrete, and concrete blocks. Place 4 posts at the corners of the pond, place additional posts in the middle if needed.
A research team from Kumamoto University has successfully developed a new approach to create switchable magnetic materials by using hydrogen bonding at the molecular level. Their study shows how ...
Materials science is an interdisciplinary field concerned with the understanding and application of the properties of matter. Materials scientists study the connections between the underlying ...