He created his first painting when he was twenty - nine, and spent several years experimenting with abstract expressionism. (americanart.si.edu)
Watch as over the next ten years the experiment fails and the government will claim they need to call in the private sector to sort out the mess. (schoolsweek.co.uk)
But the 40 - year experiment proved that the water - to - cement ratio had little impact on the life span of the concrete. (scientificamerican.com)