backward diffraction
31H1 (particle detector) — H1 is a particle detector in operation at HERA ( Hadron Elektron Ring Anlage ) in DESY, Hamburg. It began operating together with HERA in 1992. Leptons (electrons or positrons) are collided with protons by HERA in the interaction point of H1. H1… …
32Synthetic aperture radar — (SAR) is a form of radar in which the highly directional (and thus very large) rotating antenna used by conventional radar is replaced with many low directivity small stationary antenna positions scattered over some area near or around the target …
33Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …
34Ultra Density Optical — (UDO) is an optical disc format designed for high density storage of high definition video and data. Overview An Ultra Density Optical disc or UDO is a 133.35 mm (5.25 ) ISO cartridge optical disc which can store up to 60 GB of… …
35ray — ray1 raylike, adj. /ray/, n. 1. a narrow beam of light. 2. a gleam or slight manifestation: a ray of hope. 3. a raylike line or stretch of something. 4. light or radiance. 5. a line of sight. 6. Physics, Optics. a …
36Ray — /ray/ for 1, 2, 4, 5; /ruy/ for 3, n. 1. John, 1627? 1705, English naturalist. 2. Man /man/, 1890 1976, U.S. painter and photographer. 3. Satyajit /sut yeuh jit/, 1921 92, Indian film director. 4. a male given name, form of Raymond …
37physical science, principles of — Introduction the procedures and concepts employed by those who study the inorganic world. physical science, like all the natural sciences, is concerned with describing and relating to one another those experiences of the surrounding… …
38science, history of — Introduction the history of science from its beginnings in prehistoric times to the 20th century. On the simplest level, science is knowledge of the world of nature. There are many regularities in nature that mankind has had to… …
39Nico Declercq — Prof. Dr. Nico F. Declercq Nico F. Declercq (né le 27 décembre 1975 à Courtrai (Belgique)) est un physicien et docteur en génie physique. Il est également professeur à Georgia Institute of Technology à Atlanta ainsi qu’à Georgia Tech Lorraine en… …
