Short motivational videos

Here you see examples of very powerful constructions which can me made just under 5 minutes.
The Sun the Earth and the Moon
Introducing the straight line
Showing the derivatives slowly
Showing that f(x)=f'(x) for f(x)=e^x
Visualising the task of finding the primitive function with a condition
Can I live on reinvesting 1 money unit: Bernoulli compound interest problem
– rokas tamosiunas

Information: Short motivational videos