Construction
With 60-Centimeter Clay Walls, Own Solar Energy, Water Treated by Wetlands, and Floor Heating, Couple Builds Modern Self-Sufficient Home Using Only Sand, Clay, and Straw, Proving That Sustainable Construction Can Be Comfortable, Quiet, and Totally Off the Grid
Maria Heloisa Barbosa Borges 06/02/2026 at 17:16
Construction
By Replacing Gravel with Lightweight Aggregates Such as Expanded Volcanic Rock and Treated Industrial Slag, Japan and Italy Have Started Building Railway Slabs Up to 30% Lighter, Reducing Permanent Load and Altering the Structural Logic of Viaducts and Bridges
Valdemar Medeiros 06/02/2026 at 16:44
Economy
