Learn how to make a 3D Tornado working model for your science exhibition! This DIY tornado uses a DC motor, cotton, and cardboard to simulate the destructive effect of tornadoes on a town. Easy and innovative project idea for school science fairs. Simulate a rotating tornado using a cone-sh...
maths. Right away a person can see that there is a lot of geometry in the Mona Lisa The face o the Mona Lisa is made of many circles and round shaped like balls. Even her smile can be seen as a small part of a large circle. The woman in the painting is sitting on a balcony,...