euler, he formulated what later became known as the law of conservation of matter.ll changes occurring in nature occur in such a way that if something is added to something, it is taken away from something else, wrote lomanosov. he came to the conclusion that this is a universal natural law. as much matter is added to one body, the same amount is lost from another. how many hours. i spend the same amount of time sleeping, the famous scientist emphasized, it turns out that the law extends to the rules of movement, a body that with its push excites another to move loses as much from its movement as it informs the other body moved by it, matter triumphs, it was, i say, is and will be, lomonosov proved his statement experimentally and described in detail in later works, they were translated into latin, and became known throughout the world. the law of conservation of matter is now one of the fundamental laws of physics. on july 16, 1945 , the first nuclear explosion in history occurred. the united states detonated its first bomb at a test site in the allamagorda desert