News tagged with optical
Nanoimaging in 3-D
Dec 01, 2009 |
4.9 / 5 (12) |
0
(PhysOrg.com) -- As technology shrinks ever smaller, interest in objects and devices on the nanoscale becomes more apparent. However, visualizing these objects in three dimensions comes with special challenges. ...
All decked out: Networks of chitin filaments are integral components of diatom silica shells
Dec 01, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- A whole microcosm of various bizarrely shaped life forms opens up when you look at diatoms, the primary component of ocean plankton, under a microscope. The regularly structured silica shells of these tiny ...
Lifelong memories linked to stable nerve connections
Medicine & Health / Neuroscience
15 hours ago |
5 / 5 (1) |
0
Our ability to learn new information and adapt to changes in our daily environment, as well as to retain lifelong memories, appears to lie in the minute junctions where nerve cells communicate, according to ...
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STPSat-1 successfully completes extended mission
Space & Earth / Space Exploration
Dec 02, 2009 |
5 / 5 (1) |
0
The STPSat-1, built for the Department of Defense (DoD) Space Test Program (STP) and operated by the DoD STP for the first year then transitioned to NRL for the last 16 months, was decommissioned on October ...
A Superbright Supernova That’s the First of Its Kind
Dec 02, 2009 |
4.6 / 5 (22) |
5
(PhysOrg.com) -- An extraordinarily bright, extraordinarily long-lasting supernova named SN 2007bi, snagged in a search by a robotic telescope, turns out to be the first example of the kind of stars that first ...
Combining nanotubes and antibodies for breast cancer 'search and destroy' missions
Dec 02, 2009 |
5 / 5 (1) |
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cylinders of carbon about a nanometer in diameter -- have been highly touted for potential applications such as ultrastrong fibers, electrical wires in molecular devices, or hydrogen storage components for ...
Mathematical model of a simple circuit in a chicken brain raises fundamental questions
Dec 01, 2009 |
4.8 / 5 (25) |
17
(PhysOrg.com) -- The Web site Neuroanthropology asks visitors to complete this quote, "One of the difficulties in understanding the brain is ...". In addition to the typical facetious remarks, such as "so ...
Dutch PhD student develops device to combat noise
Dec 01, 2009 |
4.3 / 5 (7) |
10
Johan Wesselink of the University of Twente, The Netherlands, has developed a device to actively combat noise nuisance. This invention curtails sound waves and vibrations by producing anti-noise. The researcher is confident ...
Scientists demonstrate multibeam, multi-functional lasers
Nov 30, 2009 |
5 / 5 (6) |
0
An international team of applied scientists from Harvard, Hamamatsu Photonics, and ETH Zürich have demonstrated compact, multibeam, and multi-wavelength lasers emitting in the invisible part of the light spectrum ...
Peat fires drive temperatures up
Nov 30, 2009 |
3.4 / 5 (5) |
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Peatlands, especially those in tropical regions, sequester gigantic amounts of organic carbon. Human activities are now having a considerable impact on these wetlands. For example, drainage projects, in combination with the ...
Herschel takes a peek at the ingredients of the galaxies
Nov 27, 2009 |
4.8 / 5 (9) |
1
(PhysOrg.com) -- The European Space Agency has today released spectacular new observations from the Herschel Space Observatory, including the UK-led SPIRE instrument. Spectrometers on board all three Hershel ...
The Energy Sources of Ultraluminous Galaxies
Nov 27, 2009 |
4.7 / 5 (20) |
3
(PhysOrg.com) -- Ultraluminous infrared galaxies ((ULIRGs) are galaxies whose luminosity exceeds that of a trillion suns; for comparison, the Milky Way galaxy has a typical (and much more modest) luminosity ...
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