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A hot air balloon is a balloon aircraft in which is lifted by hot air.
This animation introduces the studies of astronomers and physicists whose works fundamentally...
Surface tension is the property of a liquid that allows it to obtain the smallest surface area...
In certain cases, liquids do not mix together, and form layers instead. See what happens when we...
A force can be measured by measuring the twisting of the torsion wire in a torsion balance.
In this experiment, we use buoyancy to study the balance of two glasses of water.
Find out how to move the straws without touching them, using the phenomenon of resonance.
Can we break a stick with the weight of only a few sheets of paper?