CAMBRIDGE, England â British scientist Stephen Hawking has decoded some of the most puzzling mysteries of the universe but he has left one mystery unsolved: How he has managed to survive so long with such a crippling disease.
Brownian movement. n. 1. (General Physics) random movement of microscopic particles suspended in a fluid, caused by bombardment of the particles by molecules of the fluid. First observed in 1827, it provided strong evidence in support of the kinetic theory of molecules.
The Progressive movement was a turn-of-the-century political movement interested in furthering social and political reform, curbing political corruption caused by political machines, and limiting the political influence of large corporations.any Progressives, including U.S. President Theodore Roosevelt, saw no conflict between imperialism and reform at home-to them, both were forms of uplift, reform and improvement, and so they saw in these new colonies an opportunity to further the Progressive agenda around the world.