A new study shows how small seabirds have mastered the art of working smarter, not harder, when soaring at sea.
Plants & Animals
Jun 1, 2022
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64
A little wiggle room might be just what the doctor ordered.
Biochemistry
Dec 22, 2021
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52
The nanostructures from Katja Höflich's HZB team are shaped like corkscrews and made of silver. Mathematically, such a nano antenna can be regarded as an one-dimensional line that forms a helix, characterized by parameters ...
Optics & Photonics
Aug 23, 2019
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20
University of California San Diego researchers have calculations for how to create high-intensity twisted laser beams—a flavor of laser pulse the world has likely never seen. These researchers also have done the math on ...
Optics & Photonics
Jul 2, 2019
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1
A study by Ph.D. student Hanna Nyborg Støstad has investigated the peculiar spiral shape of songbird sperm. Støstad compared sperm cells of 36 bird species including house sparrows and tree swallows, and found that species ...
Plants & Animals
Apr 5, 2019
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197
Researchers recently demonstrated the realization of an integrated microlaser based on a novel design that emits light in chiral modes, thus producing corkscrews of light. An object is said to be chiral if it can be distinguished ...
Optics & Photonics
Apr 3, 2019
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671
Using corkscrew-shaped laser pulses, scientists at DESY have devised a sophisticated optical centrifuge that can make molecules rotate rapidly about a desired molecular axis. The innovative method opens up new ways to control ...
Optics & Photonics
Oct 19, 2018
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8
A light wave oscillates perpendicular to its propagation direction – that is what students learn in school. However, scientists of the Vienna University of Technology (TU Vienna) now perform atom-physics experiments with ...
Optics & Photonics
May 27, 2013
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0
(Phys.org) —Opening the door to more sophisticated investigation of sperm locomotion and biophysics, researchers from UCLA's Henry Samueli School of Engineering and Applied Science have identified previously unobserved ...
Cell & Microbiology
Apr 22, 2013
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0
The bacterial foodborne pathogen, Listeria monocytogenes is the causative agent of listeriosis—a debilitating disease linked with ~2,500 illnesses and more than 500 deaths per annum in the US alone. A characteristic feature ...
Cell & Microbiology
Mar 12, 2013
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