Research reveals that birds use optic flow cues to guide flight
(PhysOrg.com) -- The beauty and majesty of birds in flight has long captured the attention of artists and photographers.
Plants & Animals
Oct 28, 2011
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Page 3 - News tagged with optic flow
How do honeybees control their flight speed to avoid obstacles?
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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How flies set their cruising altitude
Insects in flight must somehow calculate and control their height above the ground, and researchers reporting online on August 19 in Current Biology, have new insight into how fruit flies do it. The answer is simpler than ...
Plants & Animals
Aug 19, 2010
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Creating invisibility with superconducting materials
Invisibility devices may soon no longer be the stuff of science fiction. A new study published in the De Gruyter journal Nanophotonics by lead authors Huanyang Chen at Xiamen University, China, and Qiaoliang Bao, suggests ...
Optics & Photonics
Dec 21, 2021
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Superconducting nanowire single-photon detectors: Next big thing in blood flow measurement
In order to function properly, the brain requires a steady flow of blood through the cerebral arteries and veins, which deliver oxygen and nutrients and also remove metabolic byproducts. Therefore, cerebral blood flow is ...
Bio & Medicine
Aug 19, 2021
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Scientists develop bee model that will impact the development of aerial robotics
Scientists have built a computer model that shows how bees use vision to detect the movement of the world around them and avoid crashing. This research, published in PLOS Computational Biology, is an important step in understanding ...
Computer Sciences
May 5, 2016
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Reducing stroke damage may be next for OCT technology widely used in vision healthcare
An optical technology already widely used in ophthalmology and other medical fields holds potential to reveal how blood flows in the brain during stroke, providing information that could someday guide new treatments and reduce ...
Optics & Photonics
Jul 6, 2015
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Bio-inspired eye stabilizes robot's flight
Biorobotics researchers at the Institut des Sciences du Mouvement - Etienne-Jules Marey (CNRS/Aix-Marseille Université) have developed the first aerial robot able to fly over uneven terrain that is stabilized visually without ...
Robotics
Mar 10, 2015
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Graphene enables all-electrical control of energy flow from light emitters
At the heart of lasers, displays and other light-emitting devices lies the emission of photons. Electrically controlled modulation of this emission is of great importance in applications such as optical communication, sensors ...
Nanophysics
Jan 20, 2015
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Fish more inclined to crash than bees
Swimming fish do not appear to use their collision warning system in the same way as flying insects, according to new research from Lund University in Sweden that has compared how zebra fish and bumblebees avoid collisions. ...
Plants & Animals
May 28, 2014
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