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.lthough many Progressives saw U.S. power in a foreign arena as an opportunity to enact the Progressive domestic agenda overseas, and to improve foreign societies, others were concerned about the adverse effects of U.S. interventions and colonialism.