delayed gamma radiation
51Teller–Ulam design — The basics of the Teller–Ulam design. Radiation from a primary fission bomb compresses a secondary section containing both fission and fusion fuel. The compressed secondary is heated from within by a second fission explosion. The Teller–Ulam… …
52List of oncology-related terms — This is a list of terms related to oncology. The original source for this list was the U.S. National Cancer Institute s public domain Dictionary of Cancer Terms . NOTOC 1 * 10 propargyl 10 deazaaminopterin * 12 O tetradecanoylphorbol 13 acetate * …
53Wave–particle duality — Quantum mechanics Uncertainty principle …
54Cosmic Background Explorer — (COBE) General information NSSDC ID 1989 089A Organization NASA …
55List of radio propagation topics — This is a list of radio propagation terms. NOTOC A a index A index aa index active prominence active prominence region (APR) active region active surge region (ASR) active dark filament (ADF) AE index Air Force Geophysics Laboratory (AFGL) arch… …
56nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …
57Dawn (spacecraft) — Dawn Artist s concept of Dawn with Vesta (left) Ceres (right) (the proximity of Vesta to Ceres is not to scale.) Operator NASA Major contractors Orbital Sciences, JPL, UCLA …
58Greisen–Zatsepin–Kuzmin limit — The Greisen–Zatsepin–Kuzmin limit (GZK limit) is a theoretical upper limit on the energy of cosmic rays (high energy charged particles from space) coming from distant sources. The limit is 5×1019 eV, or about 8 joules. The limit is set by slowing …
59human disease — Introduction an impairment of the normal state of a human being that interrupts or modifies its vital functions. health versus disease Before human disease can be discussed, the meanings of the terms health, physical fitness, illness …
60Radon — This article is about the chemical element. For other uses, see Radon (disambiguation). astatine ← radon → francium Xe ↑ Rn ↓ Uuo …
