NITROGEN IS MORE IMPORTANT THAN YOU THINK INTRODUCTION: In this article, we discuss nitrogen its important properties, and some incidents that happened in the past with people and instruments that deal with nitrogen. So, let's start: LIQUID NITROGEN INCIDENT THAT KILLED THREE TECHNICIAN OF NASA: The First space shuttle mission was named STS-1, the first orbital mission of NASA. This mission is uniquely described in this article due to the incident in which three technicians died due to inhalation of excess nitrogen of nitrogen. IMPORTANCE OF NITROGEN: Nitrogen is a crucial element in the periodic table due to many important properties. Nitrogen is a non-toxic & colorless gas that occupies 78% of the atmosphere. HISTORY OF NITROGEN: In the past, scientists had different opinions about this gas. For example, some scientists think it was brunt air because no combination occur in the presence of this element. Some believe it is very toxic and has no life because the environment fil...
String Theory: An Amazing Theory of Physics String theory is the theory that answers all the questions of scientists and physicists. String theory may even explain and unite relativity and quantum mechanics and give us the theory of everything which explains all the questions of this universe. Well, string theory is the middle theory that joins relativity and quantum physics, and that explains the major question of this universe. The major questions that relativity and quantum physics can't explain are: 1. Gravity on the quantum scale. 2. Information paradox 3. Gravity in the black hole 4. Quantum physics can't explain cosmic objects We need a new theory that accurately explains these questions. To explain these questions humans build many theories which also include string theory. String theory : String theory says that all elementary particle has some kind of vibration. Well, the string thing explains a lot about this universe. But this theory also has some limitatio...