Researchers have developed a process to turn crab shells into a bioplastic that can be used to make optical components known as diffraction gratings. The resulting lightweight, inexpensive gratings are biodegradable and could ...
Optics & Photonics
Mar 22, 2023
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312
(Phys.org)—Using a microscopic optical sensor that can be batch-fabricated on a silicon chip at low cost, researchers from the NIST Center for Nanoscale Science and Technology have measured the mechanical motion between ...
Optics & Photonics
Sep 20, 2012
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Motion is everywhere in living systems and is necessary for mechanical functions in artificial systems, such as robots and machines. Functional mechanical structures that can change volume and shape in response to external ...
General Physics
Nov 30, 2022
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117
(PhysOrg.com) -- A joint team of researchers at CIC nanoGUNE (San Sebastian, Spain) and the Max Planck Institutes of Biochemistry and Plasma Physics (Munich, Germany) report the non-invasive and nanoscale resolved infrared ...
Nanophysics
Jan 23, 2009
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(Phys.org)—A refined method developed at the National Institute of Standards and Technology (NIST) for measuring nanometer-sized objects may help computer manufacturers more effectively size up the myriad tiny switches ...
Optics & Photonics
Sep 6, 2012
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Scientists have developed a new technique using tools made of luminescent DNA, lit up like fireflies, to visualize the mechanical forces of cells at the molecular level. Nature Methods published the work, led by chemists ...
Biochemistry
Sep 22, 2020
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191
Like sandblasting at the nanometer scale, focused beams of ions ablate hard materials to form intricate three-dimensional patterns. The beams can create tiny features in the lateral dimensions—length and width, but to create ...
Bio & Medicine
Dec 14, 2017
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123
When studying biological cells using optical tweezers, one main issue is the damage caused to the cell by the tool. Giovanni Volpe, University of Gothenburg, has discovered a new type of force that will greatly reduce the ...
Optics & Photonics
Jun 18, 2019
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1
A multidisciplinary team of researchers from Skoltech has discovered the resonance frequencies of diatom frustules. These intricately structured silicon dioxide shells of single-celled microalgae provide a promising model ...
Optics & Photonics
Dec 13, 2023
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19
If you want to build an organ for transplant, you need to think in 3-D. Using stem cells, scientists are now able to grow parts of organs in the lab, but that is a far cry from constructing a fully-formed, functioning, three-dimensional ...
Cell & Microbiology
Nov 21, 2018
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