Mathematics How to Draw an Equilateral Triangle
Do you remember how to draw an equilateral triangle? Let's use the fact that the three angles of an equilateral triangle...
Mathematics Science Why is there day and night on Earth?
Why is there day and night on Earth? Earth is a sphere, and it is always spinning. As it spins, different parts of Earth...
Elementary Knowledge Renaissance KIMONO CLUB
Elementary Knowledge Renaissance! Why is pi 3.14? Why is summer hot and winter cold? Where did the lightning strike? The...