A team of physicists has, for the first time, seen convincing experimental evidence for directed percolation, a phenomenon that turns up in computer models of the ways diseases spread through a ...
Can a house lot go through decades of failing percolation tests, and then pass the test to will allow the land to be built upon? A number of concerned residents presented that question and more to the ...
The Water Environment Federation (WEF) is a not-for-profit technical and educational organization of 33,000 individual members and 75 affiliated Member Associations representing water quality ...