Our promise to the earth 🌎

Compass 1. The compass is used for navigation  2.  Chinese south pointing spoon , one of the first forms of the compass 3. During the World War II compasses we’re smuggled to the prisoners of war in German camps used for escape. 4.  The compass have cardinal directions( north,south,east and west) 5.  The compass  was invented more than 2,000 years ago. Inventor 1. They say that the Chinese Dysnasty create the compass 2.Also they say that Flavio Gaioa was the first Inventor of the compass 3. They build a monument of Flavio Gaioa in Almafi,Italy because in honor that invented the compass 4. The compass was the born idea to build the gps without the compass we wouldn’t now about the GPS 5. A Chinese militar was the first to use the compass there are many inventors that they don’t know who invented the compass. Juan Andrés Díaz Benalcázar  Sources: Paper about the compass

                           Invention vs Inventor     Invention facts: 1.The X-ray has led to many advances in medicine, and its inventor Wilhelm refused to take out a patent because he wanted everyone to benefit from its use. 2.X-ray refers to the method used to obtain the image and to the image itself. 3.X-ray is spelled many different ways including x ray, X ray, X-ray, and x-ray. 4.Wilhelm Roentgen used a zinc box and lead box, when taking x-rays. He did this to protect photographic plates also stored in his lab from being destroyed. He was unaware that this protected him as well. Too much exposure to X-rays can cause cancer. 5.Scientists that were not yet aware of the dangers of exposure to X-rays often suffered burns, radiation sickness, loss of hair, and cancers.         Inventor facts :   1.  In honor of his accomplishments, in 2004 the International Union of Pure and Applied Chemistry named element 111, roentgenium, a radioactive element