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Laser light can cool atoms, in this case ytterbium atoms (central sphere), to temperatures so low that the atoms appear nearly motionless. A laser trap made from magnetic fields and laser light can capture the atoms so physicists can study their quantum behaviors.
Credit: E. Edwards, Joint Quantum Institute
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Single molecule fluorescence imaging enabled researchers to study a cell membrane covered with amyloid-beta, a peptide believed to cause Alzheimer's disease.
Credit: Robin Johnson, M.D., Ph.D.
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Cube-shaped beam splitters divide a light beam in two, and are one example of a common optical element used in experiments.
Credit: E. Edwards, Joint Quantum Institute
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An artist's depiction of a coherent (laser-like) x-ray pulse. These rainbows can support extremely short, attosecond light pulses. For comparison, one attosecond is the time it takes for light to travel the length of three hydrogen atoms.
Credit: Tenio Popmintchev and Brad Baxley, JILA, University of Colorado Boulder
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