Hydraulic diagrams for channels in earth, giving discharges, mean velocities and silting data forvarying bed widths, depths and slopes. Based on Ganguillet & Kutter's formula.

The University of Pennsylvania's independent student news organization.

A school year’s worth of short, accessible image-driven posts that invite a variety of kinds of writing. 2d ago By The Learning Network ...

Your guide to the most essential developments in life sciences.

Hoping to design a fresh layout for your garden? You'll need to get familiar with some of the best garden planning tools on the internet.