Archimedes' seesaw

Submarines submerge and surface by changing the average density of the hull.

How does a piece of a cork behave on the surface of a glass of water? You can examine that in...

Surface tension is the property of a liquid that allows it to obtain the smallest surface...

What is the speed of sound? What happens when an object exceeds the speed of sound?

In certain cases, liquids do not mix together, and form layers instead. See what happens when we...

Direct action pumps and suction pumps are among the simplest water pumps.

Simple harmonic motion can be considered to be the one-dimensional projection of uniform...

The length of the metal frameworks of bridges change when the temperature changes.