Few figures in the history of technology are more controversial than Wernher von Braun, the card-carrying Nazi scientist who built, by the exploitation of thousands of slave laborers from concentration camps, the world’s first ballistic missile. Working for NASA he became a leader in the American space program, building the rocket that carried Apollo 11 up to the moon. Read more
Sun, moon and planets
We could say that the annual parallax of a star is the angle defined by the sun, the star and the Earth. (considering the star perpendicular to the line that unites the Sun and the Earth).
Astronomical aberration is a phenomenon that makes a star, seen in a telescope, appear in a place slightly different from the expected. Aberration has been observed in 1727 by the English astronomer James Bradley who, in the course of his surveys, noticed that stars seemed to be subject to a slight movement within a period of one sidereal year. He thought that this movement depended on the position of the star inside the celestial sphere. Read more
Here the reader will find some of the measures of our earthly ponds and platform. The calculations given are the consequence of some premises I’m going to expose in this week blog article. Here I will consider Ezekiel’s book at chapter one and his vision of the four wheels with smaller wheels in their midst (1:16). Morover, I will give reasons for Cosmas Indicopleustis’ belief about the rectangular shape as the basic pattern of the earth. Read more
Magic squares are squares that contain particular numbers arranged in equal rows and columns such that the sum of each row and column (and sometimes diagonal) are the same.
The earliest known magic square appeared in China dating back to at least 650 B.C.E.(Lo Shu and the tortoise who could talk with a boy after the flood), but magic squares were represented also in Persia, India, Arabia and Europe. Read more