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The Large Hadron Collider

The Large Hadron Collider
The Large Hadron Collider (LHC) is the world’s largest and most powerful particle accelerator. It first started up on 10 September 2008, and remains the latest addition to CERN’s accelerator complex. The LHC consists of a 27-kilometre ring of superconducting magnets with a number of accelerating structures to boost the energy of the particles along the way. Inside the accelerator, two high-energy particle beams travel at close to the speed of light before they are made to collide. The beams travel in opposite directions in separate beam pipes – two tubes kept at ultrahigh vacuum. They are guided around the accelerator ring by a strong magnetic field maintained by superconducting electromagnets. Thousands of magnets of different varieties and sizes are used to direct the beams around the accelerator. All the controls for the accelerator, its services and technical infrastructure are housed under one roof at the CERN Control Centre. How many kilometres of cables are there on the LHC? Related:  Subatomic particle colliders aka CERN or LHCszandro

Special Relativity Special Relativity These pages are ok as far as they go, but they are missing the planned highlight, to show you what things actually look like when you travel at near the speed of light. I hope to have the opportunity to develop these pages further as time permits. Here is my opinionated Guide to Special Relativistic Flight Simulator Sites. Meanwhile, these pages comprise an animated introduction to the elements of Special Relativity. And don't miss Prasenjit Saha's Interactive Lorentz Transformations. © 1998, 1999 Andrew Hamilton. Forward to The Postulates of Special Relativity Hey, get me back to Falling into a Black Hole Unless otherwise stated, clicking on images gives you enlarged versions thereof, which may be easier to view in a classroom environment. Special Relativity: Index Andrew Hamilton's Homepage Other Relativity and Black Hole links

The accelerator complex The accelerator complex at CERN is a succession of machines that accelerate particles to increasingly higher energies. Each machine boosts the energy of a beam of particles, before injecting the beam into the next machine in the sequence. In the Large Hadron Collider (LHC) – the last element in this chain – particle beams are accelerated up to the record energy of 4 TeV per beam. The proton source is a simple bottle of hydrogen gas. The protons are finally transferred to the two beam pipes of the LHC. The accelerator complex includes the Antiproton Decelerator and the Online Isotope Mass Separator (ISOLDE) facility, and feeds the CERN Neutrinos to Gran Sasso (CNGS) project and the Compact Linear Collider test area, as well as the neutron time-of-flight facility (nTOF). Protons are not the only particles accelerated in the LHC. The CERN Control Centre combines control rooms for the laboratory’s accelerators, the cryogenic distribution system and the technical infrastructure.

Motion Mountain - The Free Physics Textbook for Dowload Astronomy & Space Astronomy may well be the oldest science of all, seeking answers to questions such as: "Where did it all come from?" and "Are we alone?" But, today's astronomers are focusing on phenomena our forbearers never imagined—planets orbiting other stars, for example; black holes the size of our solar system; galaxies being driven apart by invisible "dark energy"; ripples in the fabric of space and time; and of course the big bang, where time itself began. Accelerators can probe artwork's origins The segment used real satellite data and six computational models to create a vision that is both beautiful and scientifically... In this week's episode we discover the oldest fossil evidence of modern, venomous snakes in Africa. Students and amateur astronomers in small western U.S. communities help scientists measure Kuiper Belt objects out... Engineers have teamed up with a world-renowned origami expert to solve one of space exploration's greatest (and most... Dr.

10 Strange Things About The Universe Space The universe can be a very strange place. While groundbreaking ideas such as quantum theory, relativity and even the Earth going around the Sun might be commonly accepted now, science still continues to show that the universe contains things you might find it difficult to believe, and even more difficult to get your head around. Theoretically, the lowest temperature that can be achieved is absolute zero, exactly ? One of the properties of a negative-energy vacuum is that light actually travels faster in it than it does in a normal vacuum, something that may one day allow people to travel faster than the speed of light in a kind of negative-energy vacuum bubble. One prediction of Einstein’s theory of general relativity is that when a large object moves, it drags the space-time around it, causing nearby objects to be pulled along as well. Relativity of Simultaneity Since this extra dimension is so small, only tiny objects, such as particles, can move along it. Antimatter Retrocausality

China Will Build Largest Super Particle Collider | Guardian Liberty Voice China has announced it will build the largest super particle collider by 2028. The world was amazed at the development of the Large Hadron Collider built at CERN in 2008 in Geneva, Switzerland but that particle collider will be considered small after China builds the super particle collider it has planned. China has been quietly paving the way for the creation of this super particle accelerator and if it is successful will become a leading country in particle physics, overtaking Europe and the U.S. as leaders in physics. Scientists at the Institute of High Energy Physics in Beijing are working with physicists from around the world to build this “Higgs boson factory” by 2028. The Higgs boson is an atomic particle that has been of great interest in high energy physics and was discovered at CERN on July 4, 2012. The current Large Hadron Collider at CERN has been called a “sledgehammer” in particle physics in that the protons are smashed together at high energies to observe what emerges.

Einstein for Everyone Einstein for Everyone Nullarbor Press 2007revisions 2008, 2010, 2011, 2012, 2013 Copyright 2007, 2008, 2010, 2011, 2012, 2013 John D. All Rights Reserved John D. An advanced sequel is planned in this series:Einstein for Almost Everyone 2 4 6 8 9 7 5 3 1 ePrinted in the United States of America no trees were harmed web*bookTM This book is a continuing work in progress. January 1, 2015. Preface For over a decade I have taught an introductory, undergraduate class, "Einstein for Everyone," at the University of Pittsburgh to anyone interested enough to walk through door. With each new offering of the course, I had the chance to find out what content worked and which of my ever so clever pedagogical inventions were failures. At the same time, my lecture notes have evolved. Its content reflects the fact that my interest lies in history and philosophy of science and that I teach in a Department of History and Philosophy of Science. This text owes a lot to many. i i i

Education Express -- Nov. 20, 2012 Check out the following NASA opportunities for the education community. Full descriptions are listed below. Global Precipitation Measurement Mission Launch — Educational ResourcesAudience: All Educators Launch Date: Feb. 27, 2014. Coverage begins at Noon EST Student Presentations to Stream Live From National Space Grant Directors’ Meeting Audience: Higher Education Faculty and Students Event Date: Feb. 27-28, 2014 Free Webinar Series — NASA STEM Mania: STEM in Sports Audience: K-12 Educators Next Webinar Date: Feb. 27, 2014, at 4 p.m. Free Education Webinar Series from NASA Educator Professional DevelopmentAudience: K-12 and Informal Educators Next Webinar Date: Feb. 27, 2014, at 6:30 p.m. Free Lecture — Probing the Edge of RealityAudience: All Educators and 9-Higher Education Students Event Date: Feb. 28, 2014, at 7:30 p.m. 2014 Presidential Innovation Award for Environmental EducatorsAudience: K-12 Educators Application Deadline: Feb. 28, 2014 Check out the new #NASATeachableMoments.

Physics Flash Animations We have been increasingly using Flash animations for illustrating Physics content. This page provides access to those animations which may be of general interest. The animations will appear in a separate window. The animations are sorted by category, and the file size of each animation is included in the listing. In addition, I have prepared a small tutorial in using Flash to do Physics animations. LInks to versions of these animations in other languages, other links, and license information appear towards the bottom of this page. The Animations There are 99 animations listed below. Other Languages and Links These animations have been translated into Catalan, Spanish and Basque: En aquest enllaç podeu trobar la versió al català de les animacions Flash de Física. Many animations have been translated into Greek by Vangelis Koltsakis. Most animations have been translated into Hungarian by Sandor Nagy, Eötvös Loránd University.

Fermilab | Tevatron | Accelerator The Tevatron was the second most powerful particle accelerator in the world before it shut down on Sept. 29, 2011. It accelerated beams of protons and antiprotons to 99.999954 percent of the speed of light around a four-mile circumference. The two beams collided at the centers of two 5,000-ton detectors positioned around the beam pipe at two different locations. The collisions reproduced conditions in the early universe and probed the structure of matter at a very small scale. Scientists at Fermilab also study particle collisions by directing beams into stationary targets to produce neutrino beams. The Tevatron tunnel is buried 25 feet belowground, underneath an earthen berm. The Tevatron had more than 1,000 superconducting magnets, which produced much stronger magnetic fields than conventional magnets. Components Upper Magnets: The upper section of magnets operated at room temperature. Lower Magnets: The lower section of magnets was part of the Tevatron Collider. The Accelerator Chain

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