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what is black hole? A black hole is a region in space where the gravitational pull is so strong that nothing, not even light, can escape from it. The concept of black holes arises from the theory of general relativity, which was formulated by Albert Einstein in 1915. Black holes are some of the most … Read more

Uranium is a chemical element with the symbol “U” and atomic number 92.  It is a naturally occurring radioactive metal found in the Earth’s crust. Uranium is a member of the actinide series of elements and is one of the heaviest naturally occurring elements. What is uranium used for? Uranium has several important uses and … Read more

What is a Tyrannosaurus? Tyrannosaurus, commonly known as Tyrannosaurus rex or simply T. rex, is one of the most famous and iconic dinosaurs that ever lived. It is a member of the theropod group of dinosaurs and was a large carnivorous predator that lived during the Late Cretaceous period, approximately 68 to 66 million years … Read more