SAKRETE ShapeCrete 20 lb. Shape-able Concrete Mix-65450022 - The Home Depot
ShapeCrete mix is an easy-to-use, high performance, shape-able concrete that can be rolled and molded, pushed and poured into any shape imaginable. It's fun and versatile, like clay, yet becomes rock-hard and durable in about 24 hours without oven-baking or kiln-firing. Mix and sculpt ShapeCrete into any shape or texture imaginable, such as custom planters, vases, bowls, tiles, garden objects and small furniture to start.
Mars would not be an easy home for human colonists. See how its lower gravity, thin atmosphere and lack of a magnetic field could make it challenging for a colonist in this Space.com infographic.
Scientists closer to explaining why matter persists over antimatter
New results show a difference in the way neutrinos and antineutrinos behave, which could help explain why there is so much matter in the universe.