or log in
High speed generates a lift on aeroplane wings due to their asymmetrical profile.
Waves play an extremely important role in many areas of our lives.
Submarines submerge and surface by changing the average density of the hull.
Learn how to pierce a balloon without popping it.
Can a candle be re-lit if the flame of the match does not even touch it?
This animation demonstrates Sir Isaac Newton's three laws of motion that laid the...
The animation shows the way forces act on wheeled vehicles and vehicles with runners.
Water boils at 100 degrees Celsius. But is it possible to boil water at room...