From The Detroit News | By Ken Calverley and Chuck Breidenstein DETROIT, Jan. 22, 2026 ~ It is the most widely used man-made product in the world, used in everything from the Hoover Dam to the tallest building in the world, the Burj Kalif, in Dubai. Reinforced concrete has been utilized for a couple of hundred years, but the largest unreinforced concrete dome in the world has capped the Pantheon in Rome for more than 2,000 years.