We keep a watch like this, that it is horizontal and the hour hand is pointing towards the sun. South is in …
Category: mathematics
How far is it to the horizon?
How to measure distances at sea and on land? If you are on a mountain or on a tall building …
How did the Phoenicians recognize the spherical shape of the earth?
In their port cities, the Phoenicians saw the mast tips of the returning ships on the horizon. When the boats got closer, could you …
Sailors, Sun and stars
So saw the Phoenician sailors, like a mountain emerging from the water, the closer they got. They concluded from that; …
The Babylonian positional system
Here in Europe, the decimal system has only been around for about 900 known for years. It was around the year 500 v. …
Who were the mathematicians in Mesopotamia?
Approximately 1600 Kilometers east of the Nile lies the wide valley of the Tigris and Euphrates, also known as Mesopotamia. Was thousands of years ago …
How did you find the area measure?
Another problem, which the temples and pyramid builders solved, was the calculation of the area, so the question, how much flat ground …
How to make a right angle corner?
The Egyptians used the plumb bob and triangles of knotted cord.
One of the most difficult problems in the construction of temples and pyramids …