News tagged with light antennae
First step to converting solar energy using 'artificial leaf'
Jun 29, 2009 |
4.7 / 5 (10) |
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An international team of researchers has modified chlorophyll from an alga so that it resembles the extremely efficient light antennae of bacteria. The team was then able to determine the structure of these light antennae. ...
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The Antennae Galaxies move closer
May 09, 2008 |
4.4 / 5 (23) |
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The Antennae Galaxies are among the closest known merging galaxies. The two galaxies, also known as NGC 4038 and NGC 4039, began interacting a few hundred million years ago, creating one of the most impressive ...
Migrating monarch butterflies 'nose' their way to Mexico
Sep 24, 2009 |
3.8 / 5 (4) |
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The annual migration of monarch butterflies from across eastern North America to a specific grove of fir trees in Mexico has long fascinated scientists who have sought to understand just how these delicate ...
Microsurgery and Super Glue show how antennae aid moth navigation
Biology /
Feb 08, 2007 |
4.2 / 5 (6) |
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Two-winged insects such as houseflies and mosquitoes that are active during the light of day rely on their vision for flight control, but they also get help from organs called halteres, which grow where a second set of wings ...
Research Team Discover New Tidal Debris from Colliding Galaxies
Jun 09, 2009 |
4.6 / 5 (12) |
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Astronomers have discovered new tidal debris stripped away from colliding galaxies. The research will be being presented during a press conference at the 214th annual American Astronomical Society meeting ...
Engineering algae to make fuel instead of sugar
Biology /
Dec 17, 2008 |
4.4 / 5 (19) |
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In pursuing cleaner energy there is such a thing as being too green. Unicellular microalgae, for instance, can be considered too green. In a paper in a special energy issue of Optics Express, the Optical Society's (OSA) ...
Physicists transmit visible light through miniature cable
Jan 08, 2007 |
4.5 / 5 (14) |
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Physicists at Boston College have beamed visible light through a cable hundreds of times smaller than a human hair, an achievement they anticipate will lead to advances in solar power and optical computing.
Gene induces eyes in odd spots
Biology /
Apr 02, 2007 |
4.4 / 5 (7) |
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A gene thought to play a relatively minor role in eye development is powerful enough on its own to initiate the formation of eyes in strange spots on a fruit fly's body, Indiana University Bloomington scientists ...
Olfactory Fine-Tuning Helps Fruit Flies Find Their Mates
Biology /
Jul 30, 2008 |
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Fruit flies fine-tune their olfactory systems by recalibrating the sensitivity of different odor channels in response to changing concentrations of environmental cues, a new study has shown. Disable this calibration ...
Porphyrin Dimers Increase Efficiency of Dye-Sensitized Solar Cells
Oct 30, 2009 |
4.5 / 5 (12) |
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(PhysOrg.com) -- Porphyrins are most commonly thought of as the pigment in red blood cells, but now scientists have found that porphyrins can also be used to increase the efficiency of an inexpensive type ...
New nano color sorters from Molecular Foundry
Nov 12, 2009 |
4.3 / 5 (4) |
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Berkeley Lab researchers have engineered a new class of bowtie-shaped devices that capture, filter and steer light at the nanoscale. These "nano-colorsorter" devices act as antennae to focus and sort light ...
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