Tracking blood flow in the laboratory is an important tool for studying ailments like migraines or strokes and designing new ways to address them. Blood flow is also routinely measured in the clinic, and laser speckle contrast ...
Optics & Photonics
Sep 26, 2013
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Streetlights illuminate the night, shining upon roadways and sidewalks across the world, but these ubiquitous elements of the urban environment are notoriously inefficient and major contributors to light pollution that washes ...
Optics & Photonics
Apr 24, 2013
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Thanks to USB sticks and video streaming, DVD players are becoming all but obsolete. But their cheap optics may find a new life in a cost-effective and speedy technique for on-the-spot HIV testing and other analytics.
Optics & Photonics
Apr 11, 2013
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Imagine if you could drink a glass of water just by inserting a solid wire into it and sucking on it as though it were a soda straw. It turns out that if you were tiny enough, that method would work just fine—and wouldn't ...
Nanophysics
Apr 1, 2013
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As a human fetus develops, its heart has to keep pace with the new body's ever-growing demands. Much of this is controlled by following genetic blueprints, but the embryonic heart also matures in response to the intense stresses ...
Optics & Photonics
Oct 31, 2012
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Scientific research has provided us with a fundamental understanding of how light (via photons) and electricity (via electrons) move within and between materials at the micrometer or nanometer levels, making possible a wide ...
Nanophysics
Oct 26, 2012
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(Phys.org)—You can swipe and tap away for content on mobile device screens. What if you didn't have to touch the screen? A group from University of Alberta, Toronto, and Autodesk Research presented their answer at the ACM ...
(Phys.org) -- Inexpensive, portable devices that can rapidly screen cells for leukemia or HIV may soon be possible thanks to a chip that can produce three-dimensional focusing of a stream of cells, according to researchers.
Analytical Chemistry
May 30, 2012
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(PhysOrg.com) -- The beauty and majesty of birds in flight has long captured the attention of artists and photographers.
Plants & Animals
Oct 28, 2011
2
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Unlike humans, bees have a dorsal visual field that enables them to avoid obstacles above their heads. Until now, it was not known whether this helped them to control their flight speed. Recent research by French biorobotics ...
Plants & Animals
May 16, 2011
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