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X-ray absorption spectroscopy. X-ray absorption spectroscopy (XAS) is a widely used technique for determining the local geometric and/or electronic structure of matter. [1] The experiment is usually performed at synchrotron radiation facilities, which provide intense and tunable X-ray beams. Samples can be in the gas phase, solutions, or solids.
GW 170817 was a gravitational wave (GW) signal observed by the LIGO and Virgo detectors on 17 August 2017, originating from the shell elliptical galaxy NGC 4993. The signal was produced by the last moments of the inspiral process of a binary pair of neutron stars, ending with their merger. It was the first GW observation to be confirmed by non ...
The CAC/PAC JF-17 Thunder ( Urdu: جے ایف-17 گرج ), or FC-1 Xiaolong ( Chinese: 枭龙; pinyin: Xiāo Lóng; lit. 'Fierce Dragon'), is a lightweight, single-engine, multirole combat aircraft developed jointly by the Pakistan Aeronautical Complex (PAC) and Chengdu Aircraft Corporation (CAC) of China. [1] It was designed and developed as a ...
The Queen's Birthday Honours 1981 were appointments in many of the Commonwealth realms of Queen Elizabeth II to various orders and honours to reward and highlight good works by citizens of those countries. The appointments were made to celebrate the official birthday of the Queen. They were published on 13 June 1981 for the United Kingdom, [1 ...
X-Ray Spex was an English punk rock band formed in 1976 in London. During their first incarnation (1976–1979), X-Ray Spex released five singles and one album. [1] Their 1977 single " Oh Bondage Up Yours! " and 1978 debut album Germfree Adolescents are widely acclaimed as classic punk releases.
In astrophysics, gamma rays are conventionally defined as having photon energies above 100 keV and are the subject of gamma-ray astronomy, while radiation below 100 keV is classified as X-rays and is the subject of X-ray astronomy . Gamma rays are ionizing radiation and are thus hazardous to life.
1991–2015 [1] Number built. 279 [1] Developed from. McDonnell Douglas YC-15. The McDonnell Douglas / Boeing C-17 Globemaster III is a large military transport aircraft that was developed for the United States Air Force (USAF) from the 1980s to the early 1990s by McDonnell Douglas. The C-17 carries forward the name of two previous piston ...
Other versions of the game such as the various console editions and Pocket Edition were either merged into Bedrock or discontinued and as such have not received further updates. On 16 April 2020, a beta version of Minecraft implementing physically based rendering, real-time ray tracing, and DLSS was released by Nvidia on RTX-enabled GPUs.