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Reentrant tensegrity: An auxetic, three-periodic, chiral tensegrity structure

In a new report now published in Science Advances, Mathias Oster, and a team of scientists at the Institute for Mathematics at the Berlin Institute of Technology and the School of Engineering at the University of Edinburg in the U.K., presented a thr.....»»

Category: topSource:  physorgDec 20th, 2021

Making ultra-fast electron measurements in multiple directions to reveal the secrets of the aurora

The energetic electrons that drive the aurora borealis (the northern lights) have a rich and very dynamic structure that we currently do not fully understand. Much of what we know about these electrons comes from instruments that have fundamental lim.....»»

Category: topSource:  physorgRelated NewsApr 10th, 2024

New protein imaging method supports the design of innovative new cancer drugs

Scientists have successfully used a new imaging technique to determine the structure and interactions of a protein complex that plays a significant part in the initiation and progression of cancer. They showed that it was possible to use a high-resol.....»»

Category: topSource:  physorgRelated NewsApr 10th, 2024

Scientists reconstruct assembly of the human centriole, image by image, for the first time

Cells contain various specialized structures—such as the nucleus, mitochondria or peroxisomes—known as "organelles." Tracing their genesis and determining their structure is fundamental to understanding cell function and the pathologies linked to.....»»

Category: topSource:  physorgRelated NewsApr 10th, 2024

New technique lets scientists create resistance-free electron channels

An international research team led by Lawrence Berkeley National Laboratory (Berkeley Lab) has taken the first atomic-resolution images and demonstrated electrical control of a chiral interface state—an exotic quantum phenomenon that could help res.....»»

Category: topSource:  physorgRelated NewsApr 9th, 2024

Researchers map structure of mitochondria at different life stages

Mitochondria, organelles with an inner and outer membrane, are responsible for creating the energy that cells use to survive, and their morphology is key to accomplishing this task. The inner mitochondrial membrane contains folds, called cristae, tha.....»»

Category: topSource:  physorgRelated NewsApr 8th, 2024

Can savanna emerge in the cold high latitudes and altitudes due to ongoing rapid warming?

Recent studies have shown that rising atmospheric CO2 concentrations and consequential warming may compromise the community structure and functioning of the cold tundra ecosystems. However, in addition to carbon uptake, natural vegetation—particula.....»»

Category: topSource:  physorgRelated NewsApr 1st, 2024

Researchers reveal structure and assembly mechanism of unique module in cellulosome

Cellulosomes are multi-enzyme complexes known for their efficient lignocellulose degradation, which is valuable in bioenergy technique development. The diverse composition and intricate assembly of cellulosomes give them exceptional substrate degrada.....»»

Category: topSource:  physorgRelated NewsMar 29th, 2024

Rice husk can be used as a promising sustainable packaging material

Rice husk, the hard-protective layer that envelopes the inner grain of rice, constitutes approximately 20%–25% of the entire rice structure and produces a considerable amount of by-products. In a study published in the journal, Journal of Bioresour.....»»

Category: topSource:  physorgRelated NewsMar 27th, 2024

Researchers challenge the limits of molecular memory, opening the door to the development of molecular chips

Some molecules respond to external light pulses by changing their structure and holding certain states that can be switched from one to another. These are commonly referred to as photoswitches and usually have two possible states. Recently, however,.....»»

Category: topSource:  physorgRelated NewsMar 26th, 2024

Research team proposes a novel type of acoustic crystal with smooth, continuous changes in elastic properties

In dim light a cat sees much better than you do, as do dogs and nocturnal animals. That's because the structure of a cat's eye has a tapetum lucidum, a mirror-like layer immediately behind the retina. Light entering the eye that is not focused by the.....»»

Category: topSource:  physorgRelated NewsMar 23rd, 2024

Core-shell structural units show outstanding toughening effect for ceramics

Toughening has always been an important research direction of structure ceramics. The addition of secondary phases to the ceramic matrix to prepare composite ceramics is an effective toughening pathway in the field of structure ceramics......»»

Category: topSource:  physorgRelated NewsMar 22nd, 2024

Harnessing computational intelligence for 3D modeling of maize canopies

Understanding the structure of crop canopies is essential for optimizing crop production as it significantly influences resource utilization efficiency, yield and stress resistance. While research has integrated canopy studies into various agricultur.....»»

Category: topSource:  physorgRelated NewsMar 21st, 2024

This stretchy electronic material hardens upon impact just like “oobleck”

Researchers likened material's structure to a big bowl of spaghetti and meatballs. Enlarge / This flexible and conductive material has “adaptive durability,” meaning it gets stronger when hit. (credit: Yue (Jessica) Wang).....»»

Category: topSource:  arstechnicaRelated NewsMar 21st, 2024

Efficient and durable water splitting in acidic media

Recent research published in National Science Review by a team led by Dr. Rong Cao and Dr. Minna Cao from the Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, and Dr. Dongshuang Wu from Nanyang Technological Unive.....»»

Category: topSource:  physorgRelated NewsMar 20th, 2024

CERN measures coupled resonance structure that may cause particle loss in accelerators for the first time

Whether in listening to music or pushing a swing in the playground, we are all familiar with resonances and how they amplify an effect—a sound or a movement, for example. However, in high-intensity circular particle accelerators, resonances can be.....»»

Category: topSource:  physorgRelated NewsMar 20th, 2024

New method uses enantioselective nickel catalysis to synthesize multifunctional chiral alkylboron compounds

National University of Singapore (NUS) chemists have conceived a strategy using chiral nickel catalysts to facilitate the carboboration of alkenes, generating high-value enantioenriched alkylboronic esters......»»

Category: topSource:  physorgRelated NewsMar 20th, 2024

Pushing the limit of the periodic table with superheavy elements

Scientists from Massey University in New Zealand, the University of Mainz in Germany, Sorbonne University in France, and the Facility for Rare Isotope Beams (FRIB) discuss the limit of the periodic table and revising the concept of the "island of sta.....»»

Category: topSource:  physorgRelated NewsMar 19th, 2024

Carbon-based supports for electrocatalysis under industrially relevant conditions

Carbon materials, due to their appropriate physicochemical characteristics such as high surface area, adjustable pore structure, variable morphology, and multifunctional surface properties based on chemical modifications, low cost, and ease of prepar.....»»

Category: topSource:  physorgRelated NewsMar 19th, 2024

Animal hair structure changes from summer to winter to fend off freezing weather, researchers show

Unique adaptations allow wild animals to survive temperature extremes that would quickly kill an unprotected human. For example, certain animals can withstand bitterly cold weather, thanks to the insulating properties of the hollow hairs that make up.....»»

Category: topSource:  physorgRelated NewsMar 17th, 2024

Chiral transmission by an open evolution trajectory in a non-Hermitian system

In non-Hermitian systems, two or more eigenvalues and eigenstates of a resonant system coalesce at Exceptional points (EPs). Dynamic encircling of EPs has received significant interest in recent years, as it leads to highly nontrivial phenomena, such.....»»

Category: topSource:  physorgRelated NewsMar 15th, 2024