Planning the future needs of the U.S. nuclear weapons stockpile as well as the nuclear weapons complex depends in part on maintaining confidence in the long-term stability of the pit, or core, of plutonium-239 residing inside ...
General Physics
Dec 17, 2012
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The identification of King Richard III's skeleton is the latest coup by forensic scientists who use radiocarbon-dating, DNA analysis, 3D scanning and other hi-tech tools to unlock the secrets of the long-dead.
Archaeology
Feb 4, 2013
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Using holographic imaging system, the microscope can produce phase and amplitude images of semen samples in the field and identify which are moving and which are immotile.
Analytical Chemistry
Oct 11, 2010
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A photograph of a polar bear in captivity, no matter how sharp the resolution, can never reveal as much about behavior as footage of that polar bear in its natural habitat. The behavior of cells and molecules can prove even ...
Analytical Chemistry
Feb 1, 2012
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The collaboration of two leading cell image resource centers now provides a more extensive and advanced facility for archiving, sharing, and analyzing microscope images in great detail. The American Society for Cell Biology ...
Other
Dec 2, 2011
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Medical researchers face a hurdle when studying cells under an optical microscope—the laws of physics. Obtaining an image of anything below a certain size is complicated; optical apertures and the wavelength of visible ...
Optics & Photonics
May 7, 2020
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7
Optical measurement techniques collecting light intensity in the far-field such as conventional and confocal microscopy or coherence scanning interferometry (CSI) enable fast and contactless inspection of several types of ...
Optics & Photonics
Nov 4, 2022
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42
(Phys.org)—New research reveals what happens when swimming cells such as spermatozoa and algae hit a solid wall, and has implications for applications in diagnostics and biofuel production.
Cell & Microbiology
Jan 8, 2013
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Fuel cells have the potential to provide clean energy for powering vehicles, but improved performance and durability are needed for wide-spread commercialisation. A collaboration of researchers in Japan has now demonstrated ...
Materials Science
Jun 9, 2015
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14
Whether it protects space satellites or sequesters nuclear waste, scientists want to understand tiny features that could significantly alter how a material behaves. Locating microscopic defects can be done with powerful microscopes, ...
Materials Science
Feb 7, 2012
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