5 interesting things that Germany gave to the world:

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1. Organ (Gr. οργανον, Lat. Organum)- It is an aerophonic instrument made of monochrome sounds. German „Orgel“ from an Old German Organ. The orgies are the most complex musical instrument with the buttons. The organ is a puff instrument. The oldest known old-style lips of the organ, known to all old cultures of the east, and hydraulic or aquatic were widespread in ancient Greece (invented by about 254 BC by the Greek engineer of Alexandria Ktesiya). In ancient Rome mention is made of a simpler pneumatic organ, and by the mediation of Byzantium, the organ was introduced into the Christian churches (often in the form of portable organs, porches) in the 8th century, for Karoling’s rule. They expanded to Europe in the 13th and 14th centuries, when the organs were supplied to the main churches in Croatia. Their golden age certainly is from the 17th to 18th century. when an extremely complex mechanical baroque organ was built. In the 19th century, the pneumatic and electrical tract was introduced in the century, resulting in more orchestral sound, but also in the accelerated destruction of older historical organs replaced by new, mostly mechanical, especially at the turn of the 19th and 20th centuries. Since the 19 th century, the organ has been built in non-verbal spaces (such as concert halls, theaters, schools, etc.) and in the 20th century, apart from the new, stylistic and constructive replicas of Gothic, Renaissance and Baroque features.slika 1
2. Tanks- The main or main combat tank is a modern category of armored vehicles that is based on the characteristics and use of the tank. The term was born during the Cold War. The tank is a armored military vehicle that serves as a support for infantry or acts alone. It has a main ball of large caliber located on a movable dome and additional guns. With its armor it protects the crew and has the ability to move on difficult terrains. The main strategic and tactical weapon in the land army.The Croatian name for the tank is still an armor (although this word in the Croatian language has other meanings). In the 1990s there is also an alien form of tank.slika 3

As a military tool, the tank first appeared in the First World War as an innovation of the British Army and served to break the trench warfare. In the Second World War, the tank made a renaissance in warfare, and alongside aviation, they created the backbone of military action in the military doctrine of Lightning Warfare (Blitzkrieg), which was perfected and applied by the Germans, although the theoretical bases were set by the English at the end of the First World War .
3. Philosophers or German idealistic philosophy- German idealism is the period of German philosophy from Immanuel Kant to Hegel, and the later works of Schelling. Economic development in Germany lagged behind those in France and England.Kant’s philosophy is transcendental idealism. “Idealism consists in the claim that there is no other than thought creatures, other things that we think we perceive. The German philosopher Hegel says that the opinion-denial of reality. That denial (aufheben) is the abolition and preservation. As in nature there is organic development (bud, flower, and fruit) so with the movement of our thinking. One that disappears will allow him to find something new.slika 4 photo: ImmanuelKant
4. Accuracy- The accuracy of the size is a qualitative term which means the closeness of the value of the size and the reference value. The accuracy of the measurement results is a qualitative term which means the closeness of the measurement results and the real value of the measured size. Tolerability and precision mean the interdependence of successive measurements of the same size in the same measurement conditions.In colloquial use it is assumed that the term accuracy and precision have the same meaning, but they have different meanings in the scientific methodology. Therefore, precision should not be used instead of saying repeatability or saying the correctness.
The scoring system can deliver a result that is accurate but not repeatable, repeatable but not accurate, none, or both. For example, if the experiment contains a systematic error, increasing the sample size increases repeatability, but does not improve the accuracy. Eliminating a systematic error improves accuracy but does not change repeatability.slika 5

5. Efficiency- Precision is the measure of the reliability of the measuring device or anything else. If we estimate the length through a visual impression, the precision is not high. If we use the straight line precision is much higher.Precision is often mistakenly used instead of term accuracy. In contrast to accuracy, precision can not be defined for a single measurement, precision is the ability of a measuring device to re-measure the measured size without any significant change, while accuracy describes the deviation of the measured size from its actual value.slika 6

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