The Astronomers

More Higgs boson news!

Hank brings us up to date on the latest in the search for the Higgs boson and interviews Fermilab physicist Rob Roser. Newest info (June 20th, 2012): http://www.wired.com/wiredscience/2012/06/latest-higgs-rumors/ Like SciShow on Facebook! http://www.facebook.com/scishow Follow SciShow on Twitter! http://www.twitter.com/scishow References for this episode can be found in the Google document here: http://dft.ba/-2789 Previous SciShow episodes on the Higgs boson: "Quantum fishing for the Higgs boson" - http://www.youtube.com/watch?v=LzahpuwKt_U "So what IS the Higgs boson?" - http://www.youtube.com/watch?v=WUnDsNL_5nk Credits Produced by Hank Green Chief Editor: Blake de Pastino Cinematography: Nick Jenkins Video Editor: Matt Ferguson Graphics: Amber Bushnell Written by Dave Loos SciShow theme composed by Tom Milsom TAGS: science, physics, scishow, higgs boson, particle physics, interview, standard model, tevatron collider, fermilab, mass, electron volts, rob roser, hank green

science  physics  scishow  higgs  boson  particle  interview  standard  model  tevatron  collider  fermilab  mass  electron  volts  rob  roser  hank  green 

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Added: 1899 days ago by Ordonomundi

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The Higgs Boson, Part I

The Higgs Boson. What more need be said? Two more Higgs videos coming soon. Also, explore a map of the big bang! http://www.bigbangregistry.com Theory of Everything video - http://bit.ly/yEj0xG What is Matter video - http://bit.ly/ywH3tn minutephysics is now on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter - @minutephysics Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute! Music by Nathaniel Schroeder Spanish subtitles translated by Marcos Pérez Sánchez Thanks to Nima Doroud, John Toledo and Damian Pope for contributions and to Perimeter Institute for support. http://www.perimeterinstitute.ca

higgs  boson  cern  particle  standard  model  mass  big  bang  theory  registry  map  cosmic  microwave  background  radiation  galaxy  universe  area  circle  radius  electromagnetism  strong  weak  gauge  arbitrage  force  canada  money  infinity  earth  moon  sun  dimension  string  light  einstein  special  relativity  black  hole  science  Tides  gravity  Neutrino  photon  lhc  electron  atomic  nuclear  General  Dark  energy  Minutephysics  minute  physics  Henry  Reich  cat  schrodinger  Perimeter  Institute  god 

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Added: 1899 days ago by Ordonomundi

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The Higgs boson

So it has finally been announced (4th July 2012) that the Higgs boson has been discovered but what is it? Almost 50 years ago Peter Higgs proposed the existence of the Higgs boson and since then scientists have been looking for it! At the cost of billions of pounds, it has finally been found. Was it worth all the effort? In this Horizon episode first broadcast on 9th January 2012, Physicists working at CERN explain what the Higgs boson is? Is it really the biggest scientific discovery for a hundred years? Prof Jim Al-Khalli presents this Horizon Special produced by the BBC. Should Professor Peter Higgs get knighted and receive the Nobel Prize? Is the nickname "The God Particle" misleading?

higgs  boson  field  gauge  atom  proton  electron  neutron  up  down  quark  universe  big  bang  peter  CERN  geneva  switzerland  LHC  large  hadron  collider  gluon  discovery  symmetry  physics 

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Added: 1899 days ago by Ordonomundi

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The Higgs Boson, Part II: What is Mass?

What is mass and what does it have to do with the Higgs Boson? Part I: http://dft.ba/-higgsPart1 Also, explore a map of the big bang! http://www.bigbangregistry.com MinutePhysics is on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter - @minutephysics Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute! Music by Nathaniel Schroeder Thanks to Nima Doroud for contributions and to Perimeter Institute for support. http://www.perimeterinstitute.ca

higgs  boson  cern  particle  standard  model  give  mass  big  bang  theory  registry  map  cosmic  microwave  background  radiation  galaxy  universe  area  circle  radius  electromagnetism  strong  weak  gauge  arbitrage  force  canada  money  infinity  earth  moon  sun  dimension  string  light  einstein  special  relativity  black  hole  science  Tides  gravity  Neutrino  photon  lhc  electron  atomic  nuclear  General  Dark  energy  Minutephysics  minute  physics  Henry  Reich  cat  schrodinger  Perimeter  Institute  god 

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Added: 1899 days ago by Ordonomundi

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1981 structure of the atom Nuclear Physics 10 Electrical Energy from Fission

I freely admit I half inched these from user stevebd1 - a great science channel. http://www.youtube.com/user/stevebd1 basic introductions and explanations on physics - particle, quantum, astro, nuclear, atomic etc. etc

stevebd1  physics  atomic  particle  electron  antielctron  proton  positron  neutron  neutrino  quark  gluon  boson  higgs  quantum  subatomic  nucleus  bequerel  nuclear  radiation  Rutherford  Bohr  Einstein  Feynman  decay  fission  fusion  charmed  strange  flavour  colour 

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Added: 2877 days ago by deek

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1981 Structure of the Atom 2 Smaller than the Smallest

I freely admit I half inched these from user stevebd1 - a great science channel. http://www.youtube.com/user/stevebd1 basic introductions and explanations on physics - particle, quantum, astro, nuclear, atomic etc. etc

stevebd1  physics  atomic  particle  electron  antielctron  proton  positron  neutron  neutrino  quark  gluon  boson  higgs  quantum  nucleus  subatomic  nuclear  radiation  bequerel  decay  charmed  Rutherford  Bohr  Einstein  Feynman  strange  flavour  colour  fission  fusion 

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Added: 2877 days ago by deek

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Line spectrum of hydrogen atom

The Ruther Fords Alpha particle-gold foil experiment has proved that most of the mass of an atom is concentrated only in a very small region and thus he called this region as the nucleus of atom. Ruther Ford proposed that (BUT WITHOUT ANY EXPERIMANTAL EVIDENCES) electrons revolved around their nuclei in circular orbits with which are just sufficient to balance the attractive force by nuclei. Unfortunately no scientists have questioned this high-speed motion of electrons around the nucleus and this was the beginning of the development of many misleading theories in the history of physical science. Matter wave, uncertainty principle, electron cloud around the nucleus, wave particle duality for particles etc. Charged particles like electron have a standing- electric field and magnetic field in right angle regardless of any kind of its motions.Uncharged particles like neutron have a standing- magnetic field.Since the standing- electric and magnetic fields, an electron cannot travel in a straight line when it accelerated.When a neutron is accelerated, its standing- magnetic field makes it to oscillate. In essence, a particles standing field lines is the reason for the wave nature when it moves at a high speed.The Davisson and Germer experiment showed that particles behave as wave when they are accelerated. But without knowing the structure of particles they blindly supported the Louis DeBroglies matter wave theory.This matter wave theory has led to the development of the quantum mechanical model of atom.The model says that, the nucleus of an atom is surrounded by a series of stationary waves. These waves have crests at certain points, each complete standing wave representing an orbit. The absolute square of the amplitude of the wave at any point at a given time is a measure of the probability that an electron will be found there. Thus, an electron can no longer be said to be at any precise point at any given time. This series of stationary waves by the electrons are used today for explaining all phenomenon that generated by atoms. Jumping of electrons: The space matter density decreases with the increasing of the distance from the nucleus. When an electron oscillates in an atom, for the every oscillation toward the direction of the nucleus, the high density space matter in the inner region of the atom expels the electron to an outer low density space matter region. Line spectrum of hydrogen atom: When the electron shell of a hydrogen atom is excited it will oscillate in its natural frequency, and so the electron present in the shell. This oscillation of the electron causes the emission of the shortest wavelength Lyman series photon (because that frequency is the natural frequency of the electron shell of hydrogen atom) and jumps from the shell to an outer transitory shell. If there is no any further excitation for the atom, the electron will instantaneously falls back to its original shell. Also, this fall into the shell can cause, the shell get excited in a nominal fashion and the emission of a low intensity photon in the natural frequency of the shell. But, if the transitory shell (to which the electron has initially jumped) is simultaneously excited by some ways (for example, collision of an energetic electron from an external source-in a discharge tube or collision between atom),the electron will again get excited and emit a photon in a longer wavelength, in the natural frequency of that transitory shell. Also, this excitation of the electron causes a further jumping to a more outer transitory shell, and these processes can be continued until the electron is expelled out from the atom and to turn the atom into plasma of hydrogen at a very high temperature.For very jumping of the electron to a more and more outer transitory shells, and the excitation of that transitory shell can cause the emission of more and more long wavelength photons, and this is the reason for the emission of more long wavelength photons like Balmer series, Paschen series, Brackett series, Pfund series etc. http://www.physics-edu.org

Line  spectrum  hydrogen  atom  emission  Balmer  series  Paschen  Brackett  Pfund  model  structure  new  space  matter  wave  electron  clouds  particle 

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Added: 2877 days ago by deek

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1981 Structure of the atom Nuclear Physics 7 The Discovery of Radioactivity

I freely admit I half inched these from user stevebd1 - a great science channel. http://www.youtube.com/user/stevebd1 basic introductions and explanations on physics - particle, quantum, astro, nuclear, atomic etc. etc

stevebd1  physics  atomic  particle  electron  antielctron  proton  positron  neutron  neutrino  quark  gluon  boson  higgs  quantum  subatomic  nuclear  radiation  decay  charmed  nucleus  bequerel  Rutherford  Bohr  Einstein  Feynman  fission  fusion  strange  flavour  colour 

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Added: 2877 days ago by deek

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Structure of the Atom 1: The Earliest Models

A video from the Senior physics Structure of the Atom series describing the earliest atom models. More vids- http://www.shep.net/resources/curricular/physics/P30/Unit4/Unit4.html

atom  nuclear  physics  quantum  mechanics  electron  nucleus  proton  neutron 

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Added: 2877 days ago by deek

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Structure of the Atom 6: The Wave Mechanical Model

better sound quality- http://www.youtube.com/watch?v=IsA_oIXdF_8 Another dated yet informative video describing the wave mechanical model. More vids- http://www.shep.net/resources/curricular/physics/P30/Unit4/Unit4.html More info- http://en.wikipedia.org/wiki/Electron_configuration

atom  nuclear  physics  quantum  mechanics  electron  configeration  schrodinger  heisenberg  uncertainty  principle 

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Added: 2877 days ago by deek

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Structure of the Atom 2: Smaller than the Smallest

Another video from the Senior physics series looking at early nunclear research. More vids- http://www.shep.net/resources/curricular/physics/P30/Unit4/Unit4.html

dalton  chemical  atomic  theory  atom  nuclear  physics  quantum  mechanics  electron  nucleus  faraday 

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Added: 2877 days ago by deek

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Structure of the Atom 4: The Bohr Model

better sound quality- http://www.youtube.com/watch?v=hpKhjKrBn9s A very dated but informative educational video describing the Bohr model (electron configeration) which could be described as the birth of Quantum Mechanics. More vids- http://www.shep.net/resources/curricular/physics/P30/Unit4/Unit4.html More info- http://en.wikipedia.org/wiki/The_Bohr_Model

atom  nuclear  physics  quantum  mechanics  electron 

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Added: 2877 days ago by deek

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Structure of the Atom 6: The Wave Mechanical Model

Another dated yet informative video describing the wave mechanical model (re-uploaded with improved sound quality). More vids- http://www.shep.net/resources/curricular/physics/P30/Unit4/Unit4.html More info- http://en.wikipedia.org/wiki/Electron_configuration

atom  nuclear  physics  quantum  mechanics  electron  configeration  schrodinger  heisenberg  uncertainty  principle 

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Added: 2877 days ago by deek

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Ernest Rutherford sings his atomic theory

Musically transformed speech of Ernest Rutherford in 1931 discussing the features of atomic structure. Live musical performance by Topology and Loops.

rutherford  physics  atomic  linguistics  intonation  prosody  composition  proton  electron  nuclear  bohr  einstein 

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Added: 2877 days ago by deek

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Structure of the Atom 3: The Rutherford Model

Another informative video from the Senior physics series describing the Rutherford model. More vids- http://www.shep.net/resources/curricular/physics/P30/Unit4/Unit4.html More info- http://en.wikipedia.org/wiki/Electron_configuration

atom  nuclear  physics  quantum  mechanics  electron  nucleus  proton  neutron 

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Added: 2877 days ago by deek

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