Articles related to "Particle Physics"



Martinus Veltman - Particle Physics and Gauge Theories
Martinus Veltman shared the Nobel Prize in Physics in 1999 for his work in building the mathematical model that predicted the properties of sub-atomic particles.
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Tevatron Racing LHC to the Finish
Fermilab's Tevatron is trying to make more scientific news before Europe's huge Large Hadron Collider completes repairs and begins operations again in the Spring of 2009.
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Understanding Bosons and Fermions
The Higgs boson, aka the god particle, which physicists hope to detect with the new LHC, is the holy grail of modern particle physics. What are bosons and fermions?
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Can the CERN LHC Destroy Earth?
A calculation of the total energy density produced by protons in the Large Hadron Collider at CERN shows it is not likely to destroy Earth.
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CERN Large Hadron Collider to Restart Late 2009
Damage to CERN's Large Hadron Collider from the mishap shortly after it opened in September, 2008 required extensive repairs. The LHC will restart in late 2009.
large hadron collider lhc proton hadron cern

Frederick Reines - Co-Discoverer of the Neutrino
Frederick Reines casts a long shadow on elementary particle physics, as an early participant in the Manhattan Project, as co-discoverer of the neutrino, as founding Dean of the School of Physical Sciences at the University of California at Irvine, and as co-winner of the 1995 Nobel Prize in physics.
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Principles of Particle Detection
The scientific explanation of what exactly is happening within a particle accelerator experiment is not that complicated. It relies on just a couple fundamental laws.
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The Black Hole War - A Review
Susskind's "Battle with Stephen Hawking to Make the World Safe for Quantum Mechanics" is a fascinating, if mind-boggling, read.
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What are Electron Volts
High energy particle physicists who study elementary subatomic particles measure the energy of fundamental particles in units of electron volts, eVs.
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What Are Hadrons
Protons and other types of hadrons interact via the strong nuclear force. Hadrons are further classified into mesons and baryons.
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What Are Leptons
Leptons are a class of elementary subatomic particles, which includes electrons and neutrinos, that interact via the weak nuclear force.
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What Happened to the CERN Large Hadron Collider
Shortly after the CERN Large Hadron Collider accelerated its first protons, an accidental liquid He leak caused some magnets to warm up and necessitated repairs.
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Early Theories of Atomic Structure
J. J. Thomson and Ernest Rutherford pioneered studies of atomic structure, but their early models of the structure of the atom had serious flaws.
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Finding the God Particle
Scientists hope to solve the mystery of matter by mimicking conditions that existed just a fraction of a second after the Big Bang.
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Bohr's Model of the Atom
The Bohr model of the atom was a major leap forward in our understanding of atomic structure and quantum mechanics, but it was not the final answer.
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Early Particle Accelerators
The history of subatomic research is truly interesting - from the early laboratory experiments to capturing cosmic rays to the glory of modern accelerators.
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Chemistry Major
The chemistry major is a popular major at many schools that is a prerequisite for Medical School programs as well as for many careers in pure and applied sciences.
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Defining Quantum Mechanics
Quantum physics is recognized by many as one of the most difficult concepts in science. While this is surely true, it is not entirely beyond the grasp of the layman.
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Louis de Broglie, Physicist
Brief biography of Louis de Broglie who discovered the wave nature of electrons that established the wave-particle dualism.
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Seeking god in nature
Recent speculation points toward a convergence between science and religion. Does nature give evidence for the existence of God, or does she speak only for herself?
god science religion nature quantum mysticism

Heisenberg Uncertainty Principle
Werner Heisenberg's uncertainty principle means that on a microscopic scale, we can know where something is or where it is going, but not both at the same time.
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Niels Bohr, Physicist
Brief biography and philosophy of Niels Bohr, famous for the atomic structure model, the foundation of quantum mechanics.
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The Photoelectric Effect
In addition to his work on relativity in 1905, Einstein published an explanation for the photoelectric effect that earned him the 1921 Nobel Prize.
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Wave Particle Duality
Light and all types of subatomic elementary particle show properties of both waves and particles.
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World's Biggest Gun Set to Fire September 2008
Straddling the Franco-Swiss border near Geneva, 50 meters underground and an astonishing 17 miles long; the Large Hadron Collider (LHC) is easily the World's biggest gun.
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Are Scientists Closing in on the Higgs Boson?
Scientists with the Fermi National Accelerator Laboratory say their machine has a 50% chance of discovering the particle which is believed to give mass to the universe.
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Martin Perl - The Third Quark-Lepton Family - Tau Lepton
Martin Perl won the Nobel Prize in Physics in 1995 for his discovery of a third quark-lepton family of elementary particles. His research extended the Standard Model for physics.
martin perl nobel prize in physics elementary particles tau lepton stanford university

Paul Dirac and the Positron
In the late 1920's Paul Dirac it was discovered that "normal" electrons might not be the only ones to exist. There might be an "opposite" particle as well.
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The Physics Family
Physics is a discipline of science that includes many interrelated and active branches.
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American Composer Harry Partch
If you are looking for a sound that is slightly bizarre but always fascinating, investigate the music of Harry Partch.
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CERN – The Big Bang Machine
With the much heralded switch on of the Large Hadron Collider, scientists can begin investigating conditions comparable to those at the beginning of time.
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The Subject is Physics
Explore the dynamics of nature from the microscopic to the macroscopic on the Internet.
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A Brief History of the Internet
The Internet began as a small operation in the Department of Defense but many great thinkers and developers have come to make it what it is today.
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Biography of Stephen Leacock
Sunshine Sketches of a Little Town was Leacock's best known work but his most financially rewarding effort was a text book which became a university standard for 20 years
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Calculating Density of Black Holes
To form a black hole, matter must be compressed to such high densities that it is smaller than the event horizon or Schwarzschild radius.
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Characters of Watchmen
Watchmen is a complex story populated with a wide array of three-dimensional characters. This article gives a rundown of major characters in the graphic novel.
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Cosm by Gregory Benford
Cosm, by Gregory Benford, is a science fiction novel based around the idea that a physics professor accidentally creates a baby universe.
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Fundamental Particles
What are the smallest constituents or basic building blocks of all matter?
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Origin of Matter in the Universe
In the big bang theory, matter formed in the early universe as elementary particles including protons, electrons, and neutrons.
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Physics and the Bush Gore Election
From a physicists viewpoint, the extremely close 2000 Bush Gore presidential election was a problem with measurement uncertainties and significant figures.
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Physics for Dummies
Stephen W. Hawking has updated his profound classic with A Briefer History of Time and includes new data from observational astronomy and particle physics.
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Schrödinger's Cat Paradox
Quantum physics presents a complex view of the universe. Erwin Schrödinger criticized the theory by posing one of the most famous thought experiments in modern physics.
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Scientist Werner Heisenberg
Werner Karl Heisenberg's brief bio. He laid the foundations of Quantum Mechanics, and formulated the 'Uncertainty Principle' and 'Matrix Mechanics.'
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The Basics of Nanotechnology
The word "nanotechnology" in itself can be intimidating to people who do not understand it. A brief explanation of this science helps to sort out some of these issues.
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The Ethics of 21st Century Science
This century could see scientific discoveries ranging from designer babies to thinking machines, and such discoveries will raise profound ethical questions.
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Wormholes
A Wormhole is a theoretical shortcut through spacetime that connects two distant locations.
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Albert Einstein, Scientist
Brief biography of Albert Einstein, German-born Swiss-American mathematical physicist famous for Theory of Relativity with equation E=MC²
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Anti-Particles and Anti-Matter
The discovery of the positron paved the way for further realization that every particle known must also have an "anti" particle.
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Antimatter Does Exist but Not as Shown in Movies
Does antimatter exist - and can it be harnessed by both physicists and novelists?
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Contemporary ideology and its cost
While surfing the internet to understand such concepts as particle physics and the nature of consciousness, I encounter more rhetoric than thought. But in arguing over beliefs and theories, it's easier to blame one another for what's wrong with the world than to take responsibility.
ideology beliefs science religion evolution


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