Articles related to "Spectroscopy"



Ahmed Zewail - Femtochemistry and Laser Spectroscopy
Ahmed Zewail won the Nobel Prize in Chemistry in 1999 for his groundbreaking work in femtochemistry. Using his technology, scientists are able to see "pictures" of chemical reactions as they happen.
ahmed zewail nobel prize in chemistry femtochemistry femtosecond california institute of technology

Far-Out Chemistry! Detecting an Extrasolar Planet's Atmosphere
The atmosphere of a planet orbiting a star outside our solar system has been detected for the first time by the Hubble Space Telescope. And, in another first, information about its chemical composition has been gathered.
chemistry exochemistry astrochemistry spectroscopy hubble space telescope

Spectroscopy and Atomic Structure
Bohr's atomic model explains how electrons jumping between orbits in atoms cause emission and absorption line spectra and why each element has its own spectral signature.
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Spectroscopy and Types of Spectra
Spectroscopy allows astronomers to deduce the chemical compositions of distant astronomical objects. What is astronomical spectroscopy and how does it work?
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Detecting Planets Orbiting Stars
Astronomers use high resolution spectroscopy and the Doppler effect to discover extrasolar planets, which are planets outside our solar system.
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Doppler Effect for Moving Objects
The Doppler effect works for both light and sound. In light the wavelength of a spectral line changes. For sound the pitch changes.
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Mass Spectrometry, a Factual, Basic Primer
Mass spectrometry is a factual, basic primer for ionic studies. The Nobel-Prize-winning "mass spec" can identify atoms and molecules with great specificity and accuracy.
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Understanding Nuclear Magnetic Resonance
Nuclear magnetic resonance, a resonance of the nucleus of atoms in magnetic fields, is the fundamental physics behind Magnetic Resonance Imaging and NMR spectroscopy.
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Water on Extrasolar Planets
In early April 2007 astronomers announced the discovery of water on a planet orbiting the star, HD 209458. How is it possible to detect water on an extrasolar planet?
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How to Measure the Composition of Stars
Scientists and amateur astronomers measure the composition, luminosity, and velocity of stars, galaxies, and nebulae using a technique called spectroscopy.
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Researchers Propose Reading Thoughts Remotely
Once the stuff of science fiction, two Canadian researchers have concluded with astounding accuracy that it is possible to read a person's mind remotely.
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Richard E. Smalley - Fullerenes and Nanotubes
Richard E. Smalley is a Nobel Prize winning chemist at Rice University. He was part of the team that developed supersonic beam laser spectroscopy, as well as the team that discovered fullerenes.
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Discovery of Helium in the Sun
Using spectroscopy, helium was first discovered in the Sun. Spectral lines labeled coronium and nebulium did not fit into the periodic table of the elements.
helium periodic table chromosphere spectroscopy solar corona

Canadian Nobel Winners
Canada has contributed enough to get some nobels prizes. Here is a little view at these either Canadian Born or Canadian Citizens who have won the Nobel Prizes.
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Fraunhofer Lines, the Sun, Elements and Universe
Understanding the sun, solar systems, and the universe is a constant and intense quest of astronomers. Spectroscopes and Fraunhofer's lines reveal the universal elements.
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AI Applications in Online Medical Diagnosis
Neural network applications provide an online medical diagnosis by data mining previous patient records to result in automated online health advice in the future.
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Column Chromatography for Molecular Separations
Biochemistry advances with its technology. The ability to discover compounds, and test and evaluate substances enables scientists to advance medicine and therapies.
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Crime Scene Chemistry
When investigators examine evidence at a crime scene or take evidence back to the laboratory many of the tests involve a bit of chemistry.
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Telling the Difference Between Gemstones
Most people rely on color to identify a gemstone, however this is not a reliable method. Rather, science has developed a number of ways to identify gems.
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Robert F. Curl Jr. - Fullerenes, C60 Carbon Molecules
Robert F. Curl Jr. shared the Nobel Prize in Chemistry in 1996 for his discovery of buckeyballs, C60 carbon clusters that promise advances in medicine, industry, and computer technology.
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Networking with Starlink
This article discusses Starlink, a community of astronomers in the UK working to make standardized analysis software available to others.
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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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Myth and Folklore: Mint
Let's face it, mint has a lot going for it, what with those essential oils that are pure, liquid fragrance, and such a fragrance at that. Surely mint must be obese with myth and folklore.
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2-D Electrophoresis Facts and Primal Data
2-D electrophoresis provides facts and primal data by its clear separations of protein and DNA molecules. For proteomics, 2-DE gives insight into proteins and genomes.
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Did Ludvig Van Beethoven Die of Lead Poisoning?
Ludwig van Beethoven played a pivotal role in the evolution of classical music. He suffered a lifetime of ailments was it possible they were caused by lead poisoning?
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First Picture of Planetary System Beyond the Sun
For the first time, astronomers are able to see another solar system: a group of planets orbiting a star known as HR 8799.
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Water Found On The Moon, NASA Reports
Water, one of the hallmarks of Earth and a necessity for life, has been discovered on Earth's Moon. Lunar water may facilitate future moon exploration.
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Biological Warfare
Depression may well be the most complex illness in the universe, as well as one of the most deadly.
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FIBERS - PART ONE: THE NATURAL LOOK
We are surrounded by fabrics and upholstery--and these tiny fibers can provide a link between the killer and the victim.
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Research Touts Biodiversity to Fight Lyme Disease
New disease sheds light on the mechanics of Lyme Disease.

Famous People Born on Christmas Day
Featuring famous great thinkers and movers whose birthday falls on Christmas Day, December 25th. Names include Newton, Clara Barton, Sadat, Ripley and Nobel laureates.
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Stroke Rehabilitation Choices
Once a stroke has happened there are dietary factors, exercises, acupuncture, Qigong, Integrative Manual Therapy, Reiki, Yoga and more CAM options to consider.
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Supernova Destroys Star Rho Cas
10,000 light years away, the yellow hypergiant star, Rho Cassiopeiae ("Rho Cas" a type F8-G2 Ia0 star,) has a fantastic chance of already having blown itself apart.
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The Discovery of the Neutron
In 1932, James Chadwick proved that the atomic nucleus contained a neutral particle which had been proposed more than a decade earlier by Ernest Rutherford.
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