Tag Archives: christopher columbus
Most Famous Explorers
The Portuguese Prince Henry, the son of the king John 1 (1394-1460) was the first to found colonizations for the Portuguese Empire in the Azores in the year 1430. He was the first to try to explore a route around Africa. The Italian navigator, explorer and colonizer Christopher Columbus (1451-1506) made four voyages for the … Continue reading
Who Discovered Rubber?
Rubber is an elastic hydrocarbon polymer that is extracted from certain kinds of trees that grow in damp climate as, Hevea Brasiliensis (Para Rubber Tree) which is the most common source, and there are other kinds which are less common. The rubber is produced from a milky latix that is secreted from trees as a … Continue reading
Who Discovered The Truth About The Earth?
At the ancient times there were many wrong facts about earth, through the years came scientists that introduced other facts and proved that the old fact was wrong. The wrong old facts about earth were that the sun rotates around the earth, that the earth is flat and that earth does not rotate around itself. … Continue reading