Chinese scientists have developed a new type of cement that can cool buildings naturally, without using any electricity. This ...

Learn how Tower Tech turned the cooling tower industry literally upside-down, designing a solution for better maintenance and worker safety. Harold Curtis's practical experience identified key ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. CHICAGO — If you drive under the Old Main ...