Mathematician Grigori Perelman solved the Poincaré conjecture, and then rejected the $1 million prize that came with it.

When Concrete is Precast Rather than Cast in Place, it is Possible to Accurately Control Many Desirable Qualities. In Addition, Standardized Forms Are Available Which Can be Quickly and Easily Pat to ...

Elaborate Safety Measures Have Been Developed By the Health Physics Departments of Atomic Energy Plants to Protect Both the Workers and the General Public from Dangerous Radiations. These Protective ...