The benefits of clean water extend beyond immediate health improvements. In India, for example, SkyJuice’s projects have reduced the burden on children and families who previously spent hours ...

A ripple tank can be used to measure and calculate frequency, wavelength and the speed of waves on the surface of the water. A ripple tank is a transparent shallow tray of water with a light ...

Razor wire tops the fence around the Altoona Water Authority Lake Altoona pump station along Veterans Memorial Highway in Logan Township. Mirror photo by Patrick Waksmunski Late last year ...

A ripple tank allows you to study transverse waves in water. Ripple tanks vary a lot in how they look, but usually have these features: a motor, which is used to dip the block into the water ...