Science

The Rule of Need

The Rule of Need   If to look around attentively, to look at conditions, the all conditions are in connection with each other! It is […]

Education

Books

The Rule of Need

The Rule of Need   If to look around attentively, to look at conditions, the all conditions are in connection with each other! It is […]

Mass, Weight, Speeds

Mass, Weight, Speeds   At the present time the airplanes help people to move. But the airplanes do not fly just owing to their wings […]