beam lead technique
51Radiometric dating — (often called radioactive dating) is a technique used to date materials such as rocks, usually based on a comparison between the observed abundance of a naturally occurring radioactive isotope and its decay products, using known decay rates.[1]… …
52Scientific method — …
53Sonar — This article is about underwater sound propagation. For atmospheric sounding, see SODAR. For other uses, see Sonar (disambiguation) …
54Jicamarca Radio Observatory — Infobox Telescope bgcolour = name = Jicamarca Radio Observatory caption = organization = [http://geo.igp.gob.pe Instituto Geofisico del Peru] ,Cornell University, National Science Foundation location = coord|11|57|05|S|76|52|27.5|W| wavelength =… …
55Management of prostate cancer — Treatment for prostate cancer may involve active surveillance, surgery, radiation therapy including brachytherapy (prostate brachytherapy) and external beam radiation therapy, High intensity focused ultrasound (HIFU), chemotherapy, cryosurgery,… …
56Soldering — For the song, see Soldering (song). For the product, see Solder. Desoldering a contact from a wire. Soldering is a process in which two or more metal items are joined together by melting and flowing a filler metal (solder) into the joint, the… …
57X-ray crystallography — can locate every atom in a zeolite, an aluminosilicate with many important applications, such as water purification. X ray crystallography is a method of determining the arrangement of atoms within a crystal, in which a beam of X rays strikes a… …
58Prostate cancer — is a disease in which cancer develops in the prostate, a gland in the male reproductive system. It occurs when cells of the prostate mutate and begin to multiply out of control. These cells may spread (metastasize) from the prostate to other… …
59Special Police Dekaranger — Doggie Kruger redirects here. For the similarly named character in Power Rangers: S.P.D., see Anubis Cruger. Tokusou Sentai Dekaranger (from left to right: Deka Master, Deka Blue, Deka Yellow, Deka Break, Deka Red, Deka Pink, Deka Green and Deka… …
60List of American Gladiators events — Throughout its runs, the TV series American Gladiators had a variety of events in which its contenders competed.In the events leading up to The Eliminator, the contenders competed more directly against the Gladiators to score points than they did …
