or log in
A force can be measured by measuring the twisting of the torsion wire in a torsion balance.
In certain cases, liquids do not mix together, and form layers instead. See what happens when we...
Find out how to move the straws without touching them, using the phenomenon of resonance.
A hot air balloon is a balloon aircraft in which is lifted by hot air.
Submarines submerge and surface by changing the average density of the hull.
These great scientists had a tremendous impact on the advancement in physics.
This animation explains the most important characteristics of waves through sound waves.
The three important laws describing planetary motion were formulated by Johannes Kepler.