Some atoms are unstable and will undergo radioactive decay. When this happens, they emit ionizing radiation are often transformed into another element. This article explains how to calculate rates of radioactive decay. Atoms which are prone to radioactive decay are known as radionuclides. Radionuclides can occur naturally, or can be man-made â such as during the fission process in a nuclear reactor.
Sir Francis Drake with his new heraldic achievement, with motto: Sic Parvis Magna, translated literally: Thus great things from small things (come). The hand out of the clouds is labelled Auxilio Divino, or With Divine Help.
Definitions for cisterna magna. Here are all the possible meanings and translations of the word cisterna magna. Wiktionary(0.00 / 0 votes)Rate this definition: cisterna magna(Noun) A region in the brain posterior to the medulla oblongata, below the cerebellum; cerebrospinal fluid enters from the fourth ventricle.