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Learn how to pierce a balloon without popping it.
We can further develop the machine we presented in the previous video, so it can dispense...
Waves play an extremely important role in many areas of our lives.
The animation shows the way forces act on wheeled vehicles and vehicles with runners.
Can a candle be re-lit if the flame of the match does not even touch it?
Direct action pumps and suction pumps are among the simplest water pumps.
Can we break a stick with the weight of only a few sheets of paper?
A force can be measured by measuring the twisting of the torsion wire in a torsion balance.