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Categories: Engineering: Nanotechnology, Space: Cosmology

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Chemistry: Biochemistry Engineering: Nanotechnology Offbeat: General
Published

Revolutionary nanodrones enable targeted cancer treatment      (via sciencedaily.com)     Original source 

A research team has unveiled a remarkable breakthrough in cancer treatment.

Offbeat: General Offbeat: Space Space: Astronomy Space: Astrophysics Space: Cosmology Space: General Space: Structures and Features
Published

Researchers study a million galaxies to find out how the universe began      (via sciencedaily.com)     Original source 

Researchers have analyzed more than one million galaxies to explore primordial fluctuations that seeded the formation of the structure of the entire universe.

Offbeat: General Offbeat: Space Space: Astronomy Space: Astrophysics Space: Cosmology Space: Exploration Space: General Space: Structures and Features
Published

Astronomers detect seismic ripples in ancient galactic disk      (via sciencedaily.com)     Original source 

 A new snapshot of an ancient, far-off galaxy could help scientists understand how it formed and the origins of our own Milky Way.   At more than 12 billion years old, BRI 1335-0417 is the oldest and furthest known spiral galaxy in our universe. The researchers were able to not only capture the motion of the gas around BRI 1335-0417, but also reveal a seismic wave forming -- a first in this type of early galaxy.  

Offbeat: General Offbeat: Space Space: Astronomy Space: Astrophysics Space: Cosmology Space: Exploration Space: General Space: Structures and Features
Published

Supernova encore: Second lensed supernova in a distant galaxy      (via sciencedaily.com)     Original source 

In November 2023, NASA's James Webb Space Telescope observed a massive cluster of galaxies named MACS J0138.0-2155. Through an effect called gravitational lensing, first predicted by Albert Einstein, a distant galaxy named MRG-M0138 appears warped by the powerful gravity of the intervening galaxy cluster. In addition to warping and magnifying the distant galaxy, the gravitational lensing effect caused by MACS J0138 produces five different images of MRG-M0138.

Space: Astronomy Space: Astrophysics Space: Cosmology Space: General Space: Structures and Features
Published

Cosmic lights in the forest      (via sciencedaily.com)     Original source 

Supercomputer helped astronomers develop PRIYA, the largest suite of hydrodynamic simulations yet made of large-scale structure in the universe.

Engineering: Nanotechnology
Published

Artificial intelligence unravels mysteries of polycrystalline materials      (via sciencedaily.com)     Original source 

Researchers have used artificial intelligence to solve a difficult problem in crystal science. Seeking to understand why crystals develop tiny defects called dislocations, the researchers discovered unique defects that look like staircases. This discovery helps to better understand the defects in crystals that reduce the efficiency of complex polycrystalline materials used in our everyday electronic devices.

Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Organic Chemistry Engineering: Nanotechnology
Published

For this emergent class of materials, 'solutions are the problem'      (via sciencedaily.com)     Original source 

Materials scientists developed a fast, low-cost, scalable method to make covalent organic frameworks (COFs), a class of crystalline polymers whose tunable molecular structure, large surface area and porosity could be useful in energy applications, semiconductor devices, sensors, filtration systems and drug delivery.

Offbeat: General Offbeat: Space Space: Astronomy Space: Astrophysics Space: Cosmology Space: Exploration Space: General Space: Structures and Features Space: The Solar System
Published

Scientists measure the distance to stars by their music      (via sciencedaily.com)     Original source 

A team of astronomers has used asteroseismology, or the study of stellar oscillations, to accurately measure the distance of stars from the Earth. Their research examined thousands of stars and checked the measurements taken during the Gaia mission to study the near Universe.

Engineering: Graphene Engineering: Nanotechnology Physics: General Physics: Optics
Published

Ultrafast lasers map electrons 'going ballistic' in graphene, with implications for next-gen electronic devices      (via sciencedaily.com)     Original source 

Research reveals the ballistic movement of electrons in graphene in real time. The observations could lead to breakthroughs in governing electrons in semiconductors, fundamental components in most information and energy technology.

Space: Astronomy Space: Astrophysics Space: Cosmology Space: Exploration Space: General Space: Structures and Features
Published

New red galaxies turn out to be already known blue galaxies      (via sciencedaily.com)     Original source 

Not all discoveries turn out to be actual new discoveries. This was the case for the extremely red objects (EROs) found in James Webb Space Telescope (JWST) data. Analysis shows that they are very similar to blue-excess dust obscured galaxies (BluDOGs) already reported in Subaru Telescope data.

Offbeat: General Offbeat: Space Space: Astronomy Space: Astrophysics Space: Cosmology Space: Exploration Space: General Space: Structures and Features
Published

Astronomers discover first population of binary stripped stars      (via sciencedaily.com)     Original source 

Astronomers have discovered a population of massive stars that have been stripped of their hydrogen envelopes by their companions in binary systems. The findings shed light on the hot helium stars that are believed to be the origins of hydrogen-poor core-collapse supernovae and neutron star mergers.

Offbeat: General Offbeat: Space Space: Astronomy Space: Astrophysics Space: Cosmology Space: General Space: Structures and Features
Published

Reaching for the (invisible) stars      (via sciencedaily.com)     Original source 

Supernovae -- stellar explosions as bright as an entire galaxy -- have fascinated us since time immemorial. Yet, there are more hydrogen-poor supernovae than astrophysicists can explain. Now, scientists may have found the missing precursor star population.

Offbeat: General Offbeat: Space Space: Astronomy Space: Astrophysics Space: Cosmology Space: Exploration Space: General Space: Structures and Features
Published

Unexpected chemistry reveals cosmic star factories' secrets      (via sciencedaily.com)     Original source 

Two galaxies in the early universe, which contain extremely productive star factories, have been studied by a team of scientists. Using powerful telescopes to split the galaxies' light into individual colors, the scientists were amazed to discover light from many different molecules -- more than ever before at such distances. Studies like this could revolutionize our understanding of the lives of the most active galaxies when the universe was young, the researchers believe.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: General Biology: Microbiology Chemistry: Biochemistry Chemistry: Organic Chemistry Engineering: Nanotechnology
Published

Nanoprobe with a barcode      (via sciencedaily.com)     Original source 

Protein-splitting enzymes play an important role in many physiological processes. Such proteases are generally present in an inactive state, only becoming activated under certain conditions. Some are linked to diseases like infections or cancer, making it important to have methods that can selectively detect active proteases. Scientists have introduced a new class of protease-activity sensors: gold nanoparticles equipped with peptide DNA.

Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Engineering: Nanotechnology
Published

Spinning up control: Propeller shape helps direct nanoparticles      (via sciencedaily.com)     Original source 

Self-propelled nanoparticles could potentially advance drug delivery and lab-on-a-chip systems -- but they are prone to go rogue with random, directionless movements. Now, an international team of researchers has developed an approach to rein in the synthetic particles.

Engineering: Nanotechnology Physics: Optics
Published

In a new light -- new approach overcomes long-standing limitations in optics      (via sciencedaily.com)     Original source 

When you look up at the sky and see clouds of wondrous shapes, or struggle to peer through dense, hazy fog, you're seeing the results of 'Mie scattering', which is what happens with light interacts with particles of a certain size. There is a growing body of research that aims to manipulate this phenomenon and make possible an array of exciting technologies. Researchers have now developed a new means of manipulating Mie scattering from nanostructures.

Engineering: Nanotechnology Physics: General Physics: Optics
Published

Chance twists ordered carbon nanotubes into 'tornado films'      (via sciencedaily.com)     Original source 

Scientists have developed two new methods to create ordered carbon nanotube films with either a left- or right-handed chiral pattern.

Chemistry: Inorganic Chemistry Chemistry: Thermodynamics Engineering: Nanotechnology Physics: General Physics: Optics
Published

Polaritons open up a new lane on the semiconductor highway      (via sciencedaily.com)     Original source 

On the highway of heat transfer, thermal energy is moved by way of quantum particles called phonons. But at the nanoscale of today's most cutting-edge semiconductors, those phonons don't remove enough heat. That's why researchers are focused on opening a new nanoscale lane on the heat transfer highway by using hybrid quasiparticles called 'polaritons.'

Chemistry: Inorganic Chemistry Engineering: Nanotechnology Physics: General Physics: Optics Physics: Quantum Physics
Published

Bowtie resonators that build themselves bridge the gap between nanoscopic and macroscopic      (via sciencedaily.com)     Original source 

Two nanotechnology approaches converge by employing a new generation of fabrication technology. It combines the scalability of semiconductor technology with the atomic dimensions enabled by self-assembly.

Space: Astrophysics Space: Cosmology Space: Exploration Space: General Space: Structures and Features
Published

Stellar winds regulate growth of galaxies      (via sciencedaily.com)     Original source 

Galactic winds enable the exchange of matter between galaxies and their surroundings. In this way, they limit the growth of galaxies, that is, their star formation rate. Although this had already been observed in the local universe, an international research team has just revealed the existence of the phenomenon in galaxies which are more than 7 billion years old and actively forming stars, the category to which most galaxies belong. The team's findings thus show this is a universal process.