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.
In some media reports the term brownout refers to an intentional or unintentional power outage or blackout of some areas rather than to a drop in voltage. Different types of electrical apparatus will react in different ways to a sag. Some devices will be severely affected, while others may not be affected at all.