PPT-Cosmology : Cosmic Microwave Background

amp Large scale structure Tarun Souradeep IUCAA Cosmology IUCAA VSP program May 1822 2012 Lec 4 Current frontiers Mildly Perturbed universe at z1100 Present universe at z0. 1. Microwave power Seb. . Weidt. IQT group, University of Sussex. IQsim13, Brighton. Linear Paul trap. Experimental setup. Drive frequency: 2. π. x 20 . MHz. Ion-electrode separation: 310 . μ. m. MHz. . MHz.  . Cooling . “God chose the weak things of the world to shame the strong.”. 1 Cor. 1:27. What is Microwave. Microwave Communications. Is simply a high radio frequency link specifically designed to provide signal connection between two specific points.. By Tyler Miller. The Microwave Oven. The first personal microwave was introduced in 1967 by the Amana Corporation. The first microwave for home use was introduced by Tappan in 1955. .. The heating effect of microwaves was discovered accidentally in. Andrea Schumacher, CIRA, Ft. Collins, CO. Mark . DeMaria. and John . Knaff. , NOAA/NESDIS/. StAR. Limin. Zhao, NOAA/NESDIS/OSPO/SPSD, Camp Springs, MD. Tom Schott, NOAA/NESDIS/OSD, Suitland, MD . Interdepartmental Hurricane Conference, 28 Feb – 3 Mar 2011, Miami, FL. Jeffrey Hopwood. . Tufts University. Department of Electrical and Computer Engineering. Medford, MA 02155 USA. 1. Tufts University. M.I.T.. Harvard. Tufts. Tufts University. Acknowledgments. National Science Foundation. Exposing the Big Bang . as Philosophy not Science. Dr John Hartnett. 1929 - astronomer discovered . - ‘nebulae’ are galaxies. - redshifts of galaxies. - the Hubble Law . - interpreted to mean that . _____ 1. Dishes holding food stay cool in a microwave oven.. _____ 2. Only containers made especially for microwave ovens can be used for cooking in a microwave oven.. _____ 3. Food in a microwave oven cooks very evenly.. Evidence for the Big Bang Theory. Learning Goal:. By the end of this lesson, you will be able to explain three pieces of evidence for the Big Bang Theory: . Cosmic Microwave Background Radiation. Redshift of galaxies. 2nd Millennium BCE. BC. . . Mesopotamian cosmology . has a flat,circular Earth enclosed in a cosmic Ocean. 12. th. century BCE. C. . Rigveda. has some cosmological hymns, most notably the Nasadiya Sukta. Older ….. larger … colder ….less energetic. now. Big Bang. Prediction of Cosmic Microwave Background radiation. λ. emitted. = 1 . μ. m. T. emitted. = 3000 K. R. observed . = 1000. R. emitted. Polarization. B-. modes. . polarization. of the CMB: . produced. by . dark . matter. . structures. (. lensing. ) . crossed. by CMB . photons. Produced. by the . inflation. . process. in the . 1975Nature Vol 255 June 19 1975 Waves and Satellites in the Near-Earth Plasma Studies in Soviet Science By Ya L Alpert Translated from Russian by Julian B Barbour Pp ix 196 Consultants Bureau New Yor Atınç Çağan Şengül. A little historical background. The universe of 100 years ago. The Great War. General Theory of Relativity is just published. Milky Way was not “a galaxy” it was “the galaxy”.