or log in
The three important laws describing planetary motion were formulated by Johannes Kepler.
Surface tension is the property of a liquid that allows it to obtain the smallest surface...
Direct action pumps and suction pumps are among the simplest water pumps.
A force can be measured by measuring the twisting of the torsion wire in a torsion balance.
Waves play an extremely important role in many areas of our lives.
We can further develop the machine we presented in the previous video, so it can dispense...
This animation introduces the studies of astronomers and physicists whose works...
A spacecraft on its path is in a constant state of free fall.