News tagged with joseph fourier
Explained: The Discrete Fourier Transform
(PhysOrg.com) -- In 1811, Joseph Fourier, the 43-year-old prefect of the French district of Isčre, entered a competition in heat research sponsored by the French Academy of Sciences. The paper he submitted ...
Nov 25, 2009 |
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Search results for joseph fourier
Fermions exhibit collective behavior in unexpected situations
Some people like company. Others prefer to be alone. The same holds true for the particles that constitute the matter around us: Some, called bosons, like to act in unison with others. Others, called fermions, have a mind ...
Mar 29, 2012 |
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Proteins shine a brighter light on cellular processes
Scientists have designed a molecule which, in living cells, emits turquoise light three times brighter than possible until recently. This improves the sensitivity of cellular imaging, a technique where biological ...
Mar 20, 2012 |
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How a molecular switch activates the anti-viral innate immune response
When a thief breaks into a bank vault, sensors are activated and the alarm is raised. Cells have their own early-warning system for intruders, and scientists at the European Molecular Biology Laboratory (EMBL) ...
Oct 14, 2011 |
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Why climate models underestimate Arctic sea ice retreat?
In recent decades, Arctic sea ice has suffered a dramatic decline that exceeds climate model predictions. The unexpected rate of ice shrinkage has now been explained by researchers at CNRS, Université ...
Space & Earth / Earth Sciences
Oct 06, 2011 |
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Recent global climate report fails to capture the reality of the changing Arctic seascape, researchers say
The Arctic — a mosaic of oceans, glaciers and the northernmost projections of several countries — is a place most of us will never see. We can imagine it, though, and our mental picture is dominated ...
Space & Earth / Earth Sciences
Aug 11, 2011 |
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Genius of Einstein, Fourier key to new humanlike computer vision
(PhysOrg.com) -- Two new techniques for computer-vision technology mimic how humans perceive three-dimensional shapes by instantly recognizing objects no matter how they are twisted or bent, an advance that ...
Technology / Computer Sciences
Jun 20, 2011 |
4.5 / 5 (17) |
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Evolutionary biology experiment may one day help with chronic diseases
Working to better predict general patterns of evolution, a University of Houston (UH) biologist and his team have discovered some surprising things about gene mutations that might one day make it possible ...
Jun 02, 2011 |
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A very cool pair of brown dwarfs (w/ video)
(PhysOrg.com) -- Observations with the European Southern Observatory’s Very Large Telescope, along with two other telescopes, have shown that there is a new candidate for the coldest known star: a brown ...
Mar 23, 2011 |
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New research stems from the sun
Sometimes, you have to go back to go forward. Sounds strange, but it's what one National High Magnetic Field Laboratory physicist did when he harnessed the primal power of the sun to solve a perplexing, high-tech problem. ...
Technology / Energy & Green Tech
Jan 27, 2011 |
4.3 / 5 (4) |
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Artificial metalloenzymes, the chemical synthesis of the future
Researchers at CEA, Joseph Fourier University and CNRS have developed a new approach combining protein crystallography and biomimetic chemistry for observing they key steps of a process essential to life: ...
Oct 21, 2010 |
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List of search results for joseph fourier
