thin-foil theory
51Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …
52Millburn High School — Location 462 Millburn Avenue Millburn, NJ 07041 Information Type Public high school Schoo …
53Lenticular printing — Close up of the surface of a lenticular print. Lenticular printing is a technology in which a lenticular lens is used to produce images with an illusion of depth, or the ability to change or move as the image is viewed from different angles.… …
54Introduction to quantum mechanics — This article is an accessible, non technical introduction to the subject. For the main encyclopedia article, see Quantum mechanics. Quantum mechanics …
55mass spectrometry — or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph …
56number game — Introduction any of various puzzles and games that involve aspects of mathematics. Mathematical recreations comprise puzzles and games that vary from naive amusements to sophisticated problems, some of which have never been solved.… …
57Heinrich Hertz — Infobox Scientist name = Heinrich Rudolf Hertz image width = 230px birth date = birth date|1857|2|22|mf=y birth place = Hamburg, Germany residence = Germany nationality = German death date = death date and age|1894|1|1|1857|2|22|mf=y death place …
58X-ray fluorescence — (XRF) is the emission of characteristic secondary (or fluorescent) X rays from a material that has been excited by bombarding with high energy X rays or gamma rays. The phenomenon is widely used for elemental analysis and chemical analysis,… …
59Culture of the Song Dynasty — A Song Dynasty Chinese inkstone with gold and silver markings, from the Nantoyōsō Collection, Japan The Song Dynasty (960–1279 AD) was a culturally rich and sophisticated age for China. There was blossomi …
60Mott scattering — Mott scattering, also referred to as spin coupling inelastic Coulomb scattering, is the separation of the two spin states of an electron beam by scattering the beam off the Coulomb field of heavy atoms. It is mostly used to measure the spin… …
