beta radiation escape
41Alpha particle — Alpha particles (named after and denoted by the first letter in the Greek alphabet, α) consist of two protons and two neutrons bound together into a particle identical to a helium nucleus; hence, it can be written as He2+ or 42He2+. They are a… …
42George Gamow — Born March 4, 1904(1904 03 04) …
43nuclear fission — fission (def. 2). [1885 90] * * * Division of a heavy atomic nucleus into two fragments of roughly equal mass, accompanied by the release of a large amount of energy, the binding energy of the subatomic particles. The energy released in the… …
44Cancer — For other uses, see Cancer (disambiguation). Cancer Classification and external resources …
45Self-powered lighting — is a generic term describing devices that emit light continuously without an external power source. Self powered lighting is most frequently used on wristwatches (i.e. Night watches), gun sights, and certain emergency and tactical equipment.Early …
46Krebsimmuntherapie — ist die Bezeichnung für verschiedene Methoden der Immuntherapie zur Behandlung von Krebserkrankungen. Die klassischen Behandlungsmethoden bei Krebs sind die operative Tumorentfernung (Resektion), die Chemotherapie und die Strahlentherapie. Häufig …
47Binding energy — Nuclear physics Radioactive decay Nuclear fission Nuclear fusion Classical decays …
48Rogue planet — This article is about a type of astronomical object. For other uses, see Rogue planet (disambiguation). Artist s conception of a Jupiter size rogue planet. A rogue planet (also known as an interstellar planet, or orphan planet) is a planetary… …
49nuclear weapon — an explosive device whose destructive potential derives from the release of energy that accompanies the splitting or combining of atomic nuclei. [1945 50] * * * or atomic weapon or thermonuclear weapon Bomb or other warhead that derives its force …
50dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or …
