Tags » Concentric Circles

March 10, 1909: Unique Baffled Covered Reservoir

March 10, 1909: Municipal Journal and Engineer article. Water Filtration and Sedimentation—Settling Reservoirs. “In a paper presented in January before the Institution of Mechanical Engineers (England), Mr. 305 more words


Concentric circles

The pacific storm is a story of animals and man ,their together on the sea, with a gust of wind in the aft, a fierce tiger prowling from Bengal ,a sailor dead, a zebra, a hyena for not laughing ,a boy on flotation to three gods for praying. 97 more words


Fall Semester Wins

Tomorrow is the last day of the first semester of my eleventh year of teaching (that’s a tongue-twister), and it has been really great.  I like my schedule this year, I have really great kids, and I have consistently been in a pretty decent mood.   1,214 more words


Clarke's Concentric Circles

Richard Clarke, counter-terrorism expert, came up with a theory of terrorist support networks named “Clarke’s Rings of Terrorism” or “Clarke’s Concentric Circles… 401 more words