Engineers at Iowa State University think concrete columns could be the key to building taller, higher-powered wind turbines. By making the switch from steel to concrete, it's thought that the upper ...
Just look around. Concrete columns hold up potted plants, drip water or turn modern landscapes into ancient ruins. So why not make one of your own? Don't hesitate because you think concrete is ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback