or log in
A force can be measured by measuring the twisting of the torsion wire in a torsion balance.
This animation introduces the studies of astronomers and physicists whose works fundamentally...
In rock-paper-scissors, the least popular choice of players is paper. But is it really the...
Is it possible to turn pure water into a soft drink in a few seconds?
The animation shows the way forces act on wheeled vehicles and vehicles with runners.
We can further develop the machine we presented in the previous video, so it can dispense...
Water boils at 100 degrees Celsius. But is it possible to boil water at room temperature?
Find out whether the marble reaches the finish line faster on the straight or on the curved slope.