BrownÂ·iÂ·an motion. n. The random movement of microscopic particles suspended in a liquid or gas, caused by collisions with molecules of the surrounding medium. Also called Brownian movement. [After Robert Brown .].rownian motion-the random motion of small particles suspended in a gas or liquid. Brownian movement, pedesis. motion, movement-a natural event that involves a change in the position or location of something. 1  Facebook.
Fullerton, CA Police patch. The Fullerton Police Department of Fullerton, California, was established in 1904 when the city incorporated. The Fullerton Police Department currently employs 153 sworn officers and 78 civilian employees.
As the city quickly grew, so did the need for a cohesive law enforcement agency. The Houston Police Department was founded in 1841. The first HPD badge issued bore the number 1. The early part of the 20th century was a time of enormous growth for both Houston and for the Houston Police Department. The Houston Police Department (HPD) is the primary law enforcement agency serving the City of Houston, Texas, United States and some surrounding areas. Its headquarters are at 1200 Travis in Downtown Houston.