Bohr's Quantum Mechanics Part 1
In April of 1913, a Danish Physicist named Niels Bohr changed the way we viewed nature. The Bohr Model for the Hydrogen Atom put forth a quantized picture that had never before been seen.
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Diffusion of a Hydrogen Atom in Water
The movie captures 5 picoseconds of a molecular dynamics simulation of a metastable "hydrophobic" hydrogen atom dissolved in liquid water at 300 K and ambient pressure conditions. Shown is the fluctuating hydrogen bond network of water embedding the H-particle. The oxygen atoms of the water molecules represent the vertices of the network. Note that the small H particle is quickly exploring the accessible free volume left over by the water molecules. The "open" water network structure permits the H-particle to adopt a diffusion coefficient being about three to four times larger than the diffusion coefficient of water itself.
Prime Matter
Prime Matter Demonstration, by Neal Adams. I only uploaded the video. -To all the "I-know-all" comments. Maybe open your mind and realize you know nothing at all. Maybe this is fake, maybe it is not: however, be open to ideas from other scientists. I'm pretty sure this world is full of lies, including science.
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simulated hydrogen atom n=2 l=1 m=0
Rotating view of of a simulated hydrogen atom. Each dot represents the "measured" position of an electron. After repeating the measurement many times on hydrogen atoms in the 210 state we could superimpose the results to get a movie like this.
Modeling the Hydrogen Atom, Part 1 of 3
Alessandra Anderson and Kaitlyn Hughes 2007-2008 Supercomputing Challenge finalist presentation on modeling the hydrogen atom, part 1 of 3
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Hydrogen Atom 3D Animation
A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral atom contains a single positively-charged proton and a single negatively-charged electron bound to the nucleus by the Coulomb force. The most abundant isotope, hydrogen-1, protium, or light hydrogen, contains no neutrons; other isotopes of hydrogen, such as deuterium, contain one or more neutrons. This article primarily concerns hydrogen-1. The hydrogen atom has special significance in quantum mechanics and quantum field theory as a simple two-body problem physical system which has yielded many simple analytical solutions in closed-form. In 1914, Niels Bohr obtained the spectral frequencies of the hydrogen atom after making a number of simplifying assumptions. These assumptions, the cornerstones of the Bohr model, were not fully correct but did yield the correct energy answers. Bohr's results for the frequencies and underlying energy values were confirmed by the full quantum-mechanical analysis which uses the Schrödinger equation, as was shown in 1925--1926. The solution to the Schrödinger equation for hydrogen is analytical. From this, the hydrogen energy levels and thus the frequencies of the hydrogen spectral lines can be calculated. The solution of the Schrödinger equation goes much further than the Bohr model however, because it also yields the shape of the electron's wave function ("orbital") for the various possible quantum-mechanical states, thus explaining the anisotropic <b>...</b>
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simulated hydrogen atom n=3 l=1 m=1
Rotating view of of a simulated hydrogen atom. Each dot represents the "measured" position of an electron. After repeating the measurement many times on hydrogen atoms in the 311 state we could superimpose the results to get a movie like this.
Saylor CHEM101: Orbitals
This video is a lecture used in CHEM101 as part of our Chemistry area of study on www.saylor.org This video is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 United States License. This video was created by Salman Khan for the Khan Academy ( http )
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Modeling the Hydrogen Atom, Part 2 of 3
Alessandra Anderson and Kaitlyn Hughes Supercomputing Challenge finalist presentation on modeling the hydrogen atom, part 2 of 3
supercomputing challenge finalist presentation model modeling hydrogen atom christopheralme
Bohr's Model of Atom
Check us out at www.tutorvista.com Bohr model, devised by Niels Bohr, depicts the atom as a small, positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus—similar in structure to the solar system, but with electrostatic forces providing attraction, rather than gravity. This was an improvement on the earlier cubic model (1902), the plum-pudding model (1904), the Saturnian model (1904), and the Rutherford model (1911). Since the Bohr model is a quantum physics-based modification of the Rutherford model, many sources combine the two, referring to the RutherfordBohr model. Introduced by Niels Bohr in 1913, the model's key success lay in explaining the Rydberg formula for the spectral emission lines of atomic hydrogen. While the Rydberg formula had been known experimentally, it did not gain a theoretical underpinning until the Bohr model was introduced. Not only did the Bohr model explain the reason for the structure of the Rydberg formula, it also provided a justification for its empirical results in terms of fundamental physical constants. The Bohr model is a primitive model of the hydrogen atom. As a theory, it can be derived as a first-order approximation of the hydrogen atom using the broader and much more accurate quantum mechanics, and thus may be considered to be an obsolete scientific theory. However, because of its simplicity, and its correct results for selected systems (see below for application), the Bohr model is still <b>...</b>
Atom and Hydrogen Bomb
Atomic Bomb explosions on Discovery Channel ~ Atombombenexplosionen auf den Discovery Channel The footage is from the film "Trinity and Beyond" Peter Kuran is the Producer/Director of Trinity and Beyond
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Nuclear War: Atomic Explosions. Hydrogen Bombs.
BrainMind.com Nuclear War Atomic Explosions. Hydrogen Bombs Hiroshima: World War III. A film by Rhawn Joseph. Ph.D. "Many of the nuclear scenes from this film, including nuclear blasts that did not appear in this film, can also be seen in the spectacular film "Trinity and Beyond" directed by Peter Kuran. We highly recommend this film." By Rhawn Joseph, Ph.D.
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E=MC2 for Dummies
www.encognitive.com One of Einstein's great insights was to realize that matter and energy are really different forms of the same thing. Matter can be turned into energy, and energy into matter. For example, consider a simple hydrogen atom, basically composed of a single proton. This subatomic particle has a mass of 0.000 000 000 000 000 000 000 000 001 672 kg This is a tiny mass indeed. But in everyday quantities of matter there are a lot of atoms! For instance, in one kilogram of pure water, the mass of hydrogen atoms amounts to just slightly more than 111 grams, or 0.111 kg. Einstein's formula tells us the amount of energy this mass would be equivalent to, if it were all suddenly turned into energy. It says that to find the energy, you multiply the mass by the square of the speed of light, this number being 300000000 meters per second (a very large number) = 0.111 x 300000000 x 300000000 = 10000000000000000 Joules This is an incredible amount of energy! A Joule is not a large unit of energy ... one Joule is about the energy released when you drop a textbook to the floor. But the amount of energy in 30 grams of hydrogen atoms is equivalent to burning hundreds of thousands of gallons of gasoline! If you consider all the energy in the full kilogram of water, which also contains oxygen atoms, the total energy equivalent is close to 10 million gallons of gasoline! Can all this energy really be released? Has it ever been? The only way for ALL this energy to be released is <b>...</b>
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Chemistry: Bohr model problems (1)
Chemistry: Problems involving the Bohr model of electronic transitions for the hydrogen atom and other one-electron species This is a recording of a tutoring session, posted with the students' permission. These videos are offered on a "pay-what-you-like" basis. You can pay for the use of the videos at my website: www.freelance-teacher.com For a printable document containing the problems discussed in this video series, go to my website. For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: www.youtube.com (1) A problem (2) Continued (3) Another problem (4) Another problem (5) Continued
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Hydrogen
Check us out at www.tutorvista.com Hydrogen is the chemical element with atomic number 1. It is represented by the symbol H. With an atomic weight of 1.00794 u, hydrogen is the lightest and most abundant chemical element, constituting roughly 75 % of the Universe's elemental mass. Stars in the main sequence are mainly composed of hydrogen in its plasma state. Naturally occurring elemental hydrogen is relatively rare on Earth. The most common isotope of hydrogen is protium (name rarely used, symbol H) with a single proton and no neutrons. In ionic compounds it can take a negative charge (an anion known as a hydride and written as H−), or as a positively-charged species H+. The latter cation is written as though composed of a bare proton, but in reality, hydrogen cations in ionic compounds always occur as more complex species. Hydrogen forms compounds with most elements and is present in water and most organic compounds. It plays a particularly important role in acid-base chemistry with many reactions exchanging protons between soluble molecules. As the simplest atom known, the hydrogen atom has been of theoretical use. For example, as the only neutral atom with an analytic solution to the Schrödinger equation, the study of the energetics and bonding of the hydrogen atom played a key role in the development of quantum mechanics. Hydrogen gas (now known to be H2) was first artificially produced in the early 16th century, via the mixing of metals with strong acids. In 176681 <b>...</b>
What is Light? Light is Oscillating Magnetic Lines. New Explanation of Light.
Oscillation of one field (electric/magnetic) in space creates no other field! So, Maxwells electromagnetic wave theory of light is wrong. Light is oscillating magnetic lines. Light travels as transverse wave in magnetic lines. String of magnetic lines oscillates up and down and this oscillating string travels through space with the velocity of light. Electric current creates magnetic field and oscillating electric current creates oscillating magnetic field and NOT electromagnetic wave as current belief! Electron has a standing-electric field and magnetic field in right angle regardless of any kind of its motions. Electron acts as a tiny bar magnet with a negative charge. When an electron oscillates in a conductor or inside an atom, its electric field will be parallel to the oscillation and magnetic field will be perpendicular to the oscillation. This oscillation of the electron creates oscillating magnetic line. And this oscillating magnetic line is radiated to space. Oscillation of an electron in a conductor and the creation of an oscillating magnetic line. Oscillation of electron in hydrogen atom and emission of photon (Lyman series).Oscillation of an electron in an atom is caused by the excitation of that electrons shell. When an electron shell in an atom is excited, electrons in it oscillate in the natural frequency of that shell. And photons are emitted right angle to the oscillation of the electrons in the natural frequency of that shell. In an atom, the electric <b>...</b>
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Atomic Structure Overview | Cell Biology | Biochemistry
Segment from the program Biochemistry I: Atoms, Ions, and Molecules. To purchase this program please visit www.greatpacificmedia.com
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Atoms and Isotopes
Most people recognize that atoms are the fundamental building blocks of all matter around us. An atom itself is composed of protons, neutrons and electrons. The simplest atom is the hydrogen atom because it consists of only one proton and one electron. If a neutron is added to the nucleus, the atom is still hydrogen, just a more massive version. Atoms of the same element (ie those with the same number of protons) but different numbers of neutrons are called isotopes.
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Nukes and Hydrogen bombs
A complication of nukes and hydrogen bombs showing thier complete destruction. One is the russian Tsar bomb and others are american cannon launched or the british hydrogen bomb detonated at 30000 feet, one was detonated under water with some drone ships to show the scale. "It all starts at the atom and it will all end at the atom".
Nuclear Bomb
Footage of early nuclear explosion tests with soundtrack by 'sundays away'. Available on iTunes here: itunes.apple.com www.sundaysaway.com nuclear bomb tests, nuclear explosion, nuclear weapons, bomb testing, nuclear footage, archival nuclear bomb footage, hydrogen bomb, atomic, atomic film footage.
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CERN Traps ANTIMATTER - Antimatter atoms produced and trapped
Atomic Force Microscopes - AFM systems with optical microscope AFM/Confocal/Confocal-Raman Systems - www.nanoscantech.com Physicists working at the European Organization for Nuclear Research (CERN) in Geneva, Switzerland, have succeeded in trapping antihydrogen -- the antimatter equivalent of the hydrogen atom -- a milestone that could soon lead to experiments on a form of matter that disappeared mysteriously shortly after the birth of the universe 14 billion years ago. The first artificially produced low energy antihydrogen atoms -- consisting of a positron, or antimatter electron, orbiting an antiproton nucleus -- were created at CERN in 2002, but until now the atoms have struck normal matter and annihilated in a flash of gamma-rays within microseconds of creation. The ALPHA (Antihydrogen Laser PHysics Apparatus) experiment, an international collaboration that includes physicists from the University of California, Berkeley, and Lawrence Berkeley National Laboratory (LBNL), has now trapped 38 antihydrogen atoms, each for more than one-tenth of a second. While the number and lifetime are insufficient to threaten the Vatican -- in the 2000 novel and 2009 movie "Angels & Demons," a hidden vat of potentially explosive antihydrogen was buried under St. Peter's Basilica in Rome -- it is a starting point for learning new physics, the researchers said.
Hydrogen Spherical Harmonic Dynamics
Hydrogen Spherical Harmonic Dynamics of the atom and the electron orbit. Fourier Transforms and spherical harmonic equations are a way to control position and momentum, not to predict it, I think that in the uncertain world we live in, if you can measure the position twice you can derive the the momentum, although changed from the measurement it-self, so we could say that "the first measurement wont allow us to get the position and momentum", but with two measurements of position we can calculate the momentum.
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Hydrogen - Periodic Table of Videos
We've updated our hydrogen video by exploding a bigger and better balloon. But what creates the fireball? More chemistry at www.periodicvideos.com Follow us on Facebook at www.facebook.com And on Twitter at twitter.com Periodic Videos films are by video journalist Brady Haran
Big Numbers in Small Spaces
"Big Numbers in Small Spaces" is the newest instructional movie from Computational Modules in Science Teaching (CMIST), an educational outreach program of the National Resource for Biomedical Supercomputing (NRBSC) at the Pittsburgh Supercomputing Center (PSC). The PSC is a joint effort of Carnegie Mellon and the University of Pittsburgh together with Westinghouse Electric Company. In the movie, students "see" carbon, oxygen and hydrogen atoms in water and glucose molecules. They watch red-blood cells passing through a vessel while discovering that each of these cells can hold about three-trillion water molecules. For more, visit: www.nrbsc.org
Carnegie Mellon CMIST Computation Simulation Molecules Water Glucose
Nuclear Weapons: A Visual Timeline
Over 2000 atomic bombs have been detonated worldwide since 1945. This is a brief timeline showing every blast on a world map up until 1998. Join the conversation on Facebook www.facebook.com Follow The Daily Conversation on Twitter www.twitter.com Read more about the history of nuclear weapons testing: en.wikipedia.org "Revolve" a song by HisBoyElroy used under the creative commons license: ccmixter.org The full test world map timeline by artist Isao Hashimoto: www.youtube.com Blast videos: The US "Trinity" atomic test: www.youtube.com Hiroshima www.youtube.com Nagasaki: www.youtube.com 1st Soviet test "RDS-1": www.youtube.com 1st British test "Hurricane": www.youtube.com US tests first hydrogen bomb "Ivy Mike": www.youtube.com French test 1st nuke "Gerboise Bleue": www.youtube.com USSR tests largest weapon ever ("Tsar Bomba"): www.youtube.com China tests first nuclear weapon "596": www.youtube.com India's first test "Smiling Buddha": www.liveleak.com Pakistan's first atomic bomb test: www.youtube.com
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Free-Radical Addition of Hydrogen Bromide to 1-Butene (Ochem PLAY)
A play written, directed and produced by me! This video takes a radical rxn and turns it into a serious drama. The reaction: 1-Butene + Hydrogen Bromide ----(Peroxides & light/heat---- = 1-Bromobutane The mechanism: a)INITIATION step 1)dissociation of a peroxide into two alkoxy radicals step 2) Alkoxy radical takes a hydrogen away from the hydrogen bromide b) CHAIN PROPAGATION step 3)Addition of a bromine atom to the alkene step 4) Abstraction of a hydrogen atom from HBR by the free radical formed in step 3. ENJOY :)
Hydrogen Spark Cell #11 (Electron Extraction)
Hello! Here you see my fast maked MS Paint picture/plans, about how I will try to capture some more efficency to my Hydrogen Spark Cell. For EE idea thanks to m3sca1. For spark cell idea thanks to crob227. Rate, Subscribe and Comment! And if you have idea about how to make my cell more efficency. Please, tell me your idea. They all are important to me! Thank You All!
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