Knots smaller than human hair make materials unusually tough
In the latest advance in nano- and micro-architected materials, engineers at Caltech have developed a new material made from numerous interconnected microscale knots.
In the latest advance in nano- and micro-architected materials, engineers at Caltech have developed a new material made from numerous interconnected microscale knots.
Nanomaterials
Mar 9, 2023
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334
A study conducted by Anne-Sophie Duwez and Damien Sluysmans from the NANOCHEM group at the University of Liège (Belgium) has made it possible to decode the mechanical response of small-molecule synthetic overhand knots by ...
Nanomaterials
Jan 18, 2023
0
15
Red knots of all ages and sexes show behavioral traits. These remain mostly unchanged over time but differ across individuals. Some individuals are more adventurous and show more exploratory behaviors a in new environment ...
Plants & Animals
Nov 28, 2022
0
16
The knot theory originates in Lord Kevin's model proposed in 1867 that atoms are made of vortex rings or knots. Although the hypothesis was proved incorrect, the knot theory has since then proliferated in both mathematics ...
General Physics
Nov 3, 2022
0
3
At the heart of every resonator—be it a cello, a gravitational wave detector, or the antenna in your cell phone—there is a beautiful bit of mathematics that has been heretofore unacknowledged.
General Physics
Jul 15, 2022
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224
The question of how the chemical composition of a protein—the amino acid sequence—determines its 3D structure has been one of the biggest challenges in biophysics for more than half a century. This knowledge about the ...
General Physics
Jul 14, 2022
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413
As physicists delve deeper into the quantum realm, they are discovering an infinitesimally small world composed of a strange and surprising array of links, knots and winding. Some quantum materials exhibit magnetic whirls ...
Condensed Matter
May 20, 2022
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3789
As anyone who has ever had to brush long hair knows, knots are a nightmare. But with enough experience, most learn the tricks of detangling with the least amount of pain—start at the bottom, work your way up to the scalp ...
Mathematics
Apr 13, 2022
0
98
On 17 and 18 December 2021, a few hundred dead knots (Calidris canutus) were discovered on Schiermonnikoog and in Oost-Groningen. At the behest of the Netherlands Food and Consumer Product Safety Authority, Wageningen Bioveterinary ...
Plants & Animals
Dec 27, 2021
0
59
This image shows knots of cold, dense interstellar gas where new stars are forming. These Free-floating Evaporating Gaseous Globules (frEGGs) were first seen in Hubble's famous 1995 image of the Eagle Nebula. Because these ...
Astronomy
Nov 9, 2021
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46