#nanotechnology — Public Fediverse posts

Researchers have successfully broken optical symmetry, engineering simple semiconductor materials to exhibit nonreciprocal absorption and emission of linearly polarized light depending on the direction of entry.
#MaterialsScience #Photonics #Nanotechnology #sflorg
https://www.sflorg.com/2026/07/ms07272601.html

Researchers have successfully broken optical symmetry, engineering simple semiconductor materials to exhibit nonreciprocal absorption and emission of linearly polarized light depending on the direction of entry.
#MaterialsScience #Photonics #Nanotechnology #sflorg
https://www.sflorg.com/2026/07/ms07272601.html

A new look at how some natural dark materials share properties might help us develop more sustainable technologies. #nanotechnology

https://phys.org/news/2026-06-common-nanostructures-photoproperties-widespread-dark.html

💁🏻‍♀️ TIL: 🎃📦 Researchers at #Kyushu University turned discarded #pumpkin peel into #carbon #quantum dots and combined them with #plant fibers and gelatin to make a #food wrapping.

In lab tests with cherry #tomatoes over 20 days, the material outperformed conventional #plastic at blocking #UV light, stopping microbial growth, and preserving antioxidants. It passed #safety tests and can be sprayed on or used as #packaging film.

👉 https://www.sciencealert.com/pumpkin-peel-offers-an-incredible-new-way-to-keep-food-fresh-study-shows

#solutions #science #upcycling #sustainability #environment #research #japan #nanotechnology #innovation #chemistry

💁🏻‍♀️ TIL: 🎃📦 Researchers at #Kyushu University turned discarded #pumpkin peel into #carbon #quantum dots and combined them with #plant fibers and gelatin to make a #food wrapping.

In lab tests with cherry #tomatoes over 20 days, the material outperformed conventional #plastic at blocking #UV light, stopping microbial growth, and preserving antioxidants. It passed #safety tests and can be sprayed on or used as #packaging film.

👉 https://www.sciencealert.com/pumpkin-peel-offers-an-incredible-new-way-to-keep-food-fresh-study-shows

#solutions #science #upcycling #sustainability #environment #research #japan #nanotechnology #innovation #chemistry

This Former Intel CEO Wants to Jumpstart Moore’s Law With Light

https://fed.brid.gy/r/https://www.wired.com/story/pat-gelsinger-moores-law-light-chips/

This Former Intel CEO Wants to Jumpstart Moore’s Law With Light

https://fed.brid.gy/r/https://www.wired.com/story/pat-gelsinger-moores-law-light-chips/

Carbon nanotube thermoelectrics are advanced, flexible materials capable of converting heat directly into electricity. A newly developed molecular strategy prevents these microscopic rods from clumping together, unlocking unprecedented energy-harvesting performance.
#MaterialsScience #Nanotechnology #PhysicalChemistry #AppliedPhysics #sflorg
https://www.sflorg.com/2026/07/ms07202601.html

Carbon nanotube thermoelectrics are advanced, flexible materials capable of converting heat directly into electricity. A newly developed molecular strategy prevents these microscopic rods from clumping together, unlocking unprecedented energy-harvesting performance.
#MaterialsScience #Nanotechnology #PhysicalChemistry #AppliedPhysics #sflorg
https://www.sflorg.com/2026/07/ms07202601.html

@mjd Organic molecules and engineered supramolecular assemblies such as #MOFs are measured in nanometers.

#Nanotechnology is applied #chemistry.

@mjd Organic molecules and engineered supramolecular assemblies such as #MOFs are measured in nanometers.

#Nanotechnology is applied #chemistry.

💁🏻‍♀️ TIL: Asa Barber’s team at the University of #Portsmouth found that common #limpet #teeth are five times stronger than #spider #silk, making them the strongest known natural material.

Their goethite nanofiber #protein composite can withstand pressures comparable to turning #carbon into #diamond and could inspire synthetic materials.

👉 https://www.smithsonianmag.com/smart-news/spider-silk-loses-top-spot-natures-strongest-material-snails-teeth-180954346/

#snails #science #biomimicry #nature #spiders #nanotechnology #goethite #biology #engineering #royalsociety #animals #wildlife #mollusks

💁🏻‍♀️ TIL: Asa Barber’s team at the University of #Portsmouth found that common #limpet #teeth are five times stronger than #spider #silk, making them the strongest known natural material.

Their goethite nanofiber #protein composite can withstand pressures comparable to turning #carbon into #diamond and could inspire synthetic materials.

👉 https://www.smithsonianmag.com/smart-news/spider-silk-loses-top-spot-natures-strongest-material-snails-teeth-180954346/

#snails #science #biomimicry #nature #spiders #nanotechnology #goethite #biology #engineering #royalsociety #animals #wildlife #mollusks

Computer-guided electricity rapidly transforms flat nanofilms into 3D shapes on demand #science #nanotechnology #materials

https://phys.org/news/2026-07-electricity-rapidly-flat-nanofilms-3d.html?utm_source=flipboard&utm_medium=activitypub

Posted into FLIPBOARD EXCHANGE FEED 🗞️ @flipboard-exchange-feed-Econopass

Researchers have developed a novel method utilizing a computer-guided electron beam to rapidly transform flat nanofilms submerged in water into reversible, three-dimensional dome shapes within 10 seconds.
#Nanotechnology #MaterialsScience #Nanoengineering #sflorg
https://www.sflorg.com/2026/07/nt07102601.html

Researchers have developed a novel method utilizing a computer-guided electron beam to rapidly transform flat nanofilms submerged in water into reversible, three-dimensional dome shapes within 10 seconds.
#Nanotechnology #MaterialsScience #Nanoengineering #sflorg
https://www.sflorg.com/2026/07/nt07102601.html

Gallium-doped zinc oxide (GZO) nanosheets are ultrathin, highly transparent optical sensors capable of simultaneously detecting red, green, and blue (RGB) light within a single vertically stacked pixel.
#MaterialsScience #Nanotechnology #Optoelectronics #sflorg
https://www.sflorg.com/2026/07/ms07082601.html

Gallium-doped zinc oxide (GZO) nanosheets are ultrathin, highly transparent optical sensors capable of simultaneously detecting red, green, and blue (RGB) light within a single vertically stacked pixel.
#MaterialsScience #Nanotechnology #Optoelectronics #sflorg
https://www.sflorg.com/2026/07/ms07082601.html

Researchers have developed a novel photonic device utilizing an optical meta-surface that redirects a beam of light using a second light beam in merely 74 femtoseconds (74 quadrillionths of a second).
#AppliedPhysics #Nanotechnology #MaterialsScience #Photonics #sflorg
https://www.sflorg.com/2026/07/phy07072602.html

Researchers have developed a novel photonic device utilizing an optical meta-surface that redirects a beam of light using a second light beam in merely 74 femtoseconds (74 quadrillionths of a second).
#AppliedPhysics #Nanotechnology #MaterialsScience #Photonics #sflorg
https://www.sflorg.com/2026/07/phy07072602.html

Researchers have developed intelligent, palladium-based molecular nanostructures that can be selectively opened, disassembled, and reassembled using mechanical forces generated by ultrasound.
#SupramolecularChemistry #MolecularScience #Mechanochemistry #Nanotechnology #ComputationalChemistry #sflorg
https://www.sflorg.com/2026/07/mols07062601.html

Researchers have developed intelligent, palladium-based molecular nanostructures that can be selectively opened, disassembled, and reassembled using mechanical forces generated by ultrasound.
#SupramolecularChemistry #MolecularScience #Mechanochemistry #Nanotechnology #ComputationalChemistry #sflorg
https://www.sflorg.com/2026/07/mols07062601.html

Solid-state batteries utilize solid electrolytes to achieve high energy densities, but they often fail prematurely due to the formation of lithium metal spikes, known as dendrites. Recent research reveals that hidden electrical imbalances at the microscopic boundaries between electrolyte grains drive the formation of these destructive structures.
#MaterialsScience #Engineering #Electrochemistry #SolidStateChemistry #Nanotechnology #sflorg
https://www.sflorg.com/2026/07/ms07062603.html

Solid-state batteries utilize solid electrolytes to achieve high energy densities, but they often fail prematurely due to the formation of lithium metal spikes, known as dendrites. Recent research reveals that hidden electrical imbalances at the microscopic boundaries between electrolyte grains drive the formation of these destructive structures.
#MaterialsScience #Engineering #Electrochemistry #SolidStateChemistry #Nanotechnology #sflorg
https://www.sflorg.com/2026/07/ms07062603.html

New nanotube membranes let lithium ions travel faster than usual, offering a simpler path toward cleaner energy generation. #nanotechnology

https://phys.org/news/2026-06-nanotube-membranes-reveal-unusually-fast.html

https://www.alojapan.com/1506200/toppan-opens-5-year-quantum-dot-lab-with-university-of-tokyo/ TOPPAN opens 5-year quantum dot lab with University of Tokyo #ColloidalQuantumDots #Japan #nanoparticles #nanotechnology #news #Photonics #QuantumDots #Tokyo #TokyoNews #Toppan #UniversityOfTokyo #東京 #東京都 KEY POINTSTOPPAN and the University of Tokyo open a five-year Quantum Dot Innovation Lab from July 1Lab combines university research in epitaxial and colloidal quantum dots with TOPPAN nanoparticle synthesis and application developmentResear

`By performing spectroscopy and super-resolution microscopy at liquid helium temperature, we shed light on the spectral and spatial features of the adsorbed species. Our results pave the way for investigations in solid-state physics, where angstrom spatial resolution can be combined with high-resolution laser spectroscopy.`

http://dx.doi.org/10.1126/science.aeg5014

#spectroscopy #adsorption #nanotechnology

`By performing spectroscopy and super-resolution microscopy at liquid helium temperature, we shed light on the spectral and spatial features of the adsorbed species. Our results pave the way for investigations in solid-state physics, where angstrom spatial resolution can be combined with high-resolution laser spectroscopy.`

http://dx.doi.org/10.1126/science.aeg5014

#spectroscopy #adsorption #nanotechnology

Researchers have engineered a light-detecting nanoscale device from inorganic materials that directly mimics the information-processing dynamics of a single biological neuron. By sensing and interpreting light in the same location, the device closely emulates the function of biological vision systems.
#Nanotechnology #MaterialsScience #ElectricalEngineering #AI #NeuromorphicEngineering #sflorg
https://www.sflorg.com/2026/06/nt06262601.html

Researchers have engineered a light-detecting nanoscale device from inorganic materials that directly mimics the information-processing dynamics of a single biological neuron. By sensing and interpreting light in the same location, the device closely emulates the function of biological vision systems.
#Nanotechnology #MaterialsScience #ElectricalEngineering #AI #NeuromorphicEngineering #sflorg
https://www.sflorg.com/2026/06/nt06262601.html

SmartTrap is an open-source artificial intelligence platform that fully automates optical tweezers, enabling the autonomous manipulation and measurement of microscopic biological components, such as individual DNA molecules and living cells.
#Biophysics #ArtificialIntelligence #MolecularBiology #Nanotechnology #sflorg
https://www.sflorg.com/2026/06/biph06222601.html

SmartTrap is an open-source artificial intelligence platform that fully automates optical tweezers, enabling the autonomous manipulation and measurement of microscopic biological components, such as individual DNA molecules and living cells.
#Biophysics #ArtificialIntelligence #MolecularBiology #Nanotechnology #sflorg
https://www.sflorg.com/2026/06/biph06222601.html

🪄 ‘Just like the “magic cake” that I like to bake with my kids.'

Chemist Loredana Protesescu is working on a 3-layer ink that contains all components needed for a solar cell. Before use it only needs to be applied to a surface.🖌️

Curious? Read more 👇
🔗 https://www.rug.nl/fse/news/science-in-focus/solar-cells/more-stable-solar-cells-and-a-three-layer-ink

🧪 #SciComm #ScienceNewsroom #materialsscience #chemistry #nano #technology #nanotechnology #research #science #engineering #scientistsOnMastodon
@universityofgroningen

🪄 ‘Just like the “magic cake” that I like to bake with my kids.'

Chemist Loredana Protesescu is working on a 3-layer ink that contains all components needed for a solar cell. Before use it only needs to be applied to a surface.🖌️

Curious? Read more 👇
🔗 https://www.rug.nl/fse/news/science-in-focus/solar-cells/more-stable-solar-cells-and-a-three-layer-ink

🧪 #SciComm #ScienceNewsroom #materialsscience #chemistry #nano #technology #nanotechnology #research #science #engineering #scientistsOnMastodon
@universityofgroningen

A highly versatile, nanoscale robotic system constructed from biomolecules and nanoparticles that utilizes interchangeable modules to perform specific tasks, such as delivering targeted therapeutics or executing enzymatic reactions.
#Nanotechnology #Bioengineering #MolecularBiology #Nanomedicine #sflorg
https://www.sflorg.com/2026/06/nt06172601.html

A highly versatile, nanoscale robotic system constructed from biomolecules and nanoparticles that utilizes interchangeable modules to perform specific tasks, such as delivering targeted therapeutics or executing enzymatic reactions.
#Nanotechnology #Bioengineering #MolecularBiology #Nanomedicine #sflorg
https://www.sflorg.com/2026/06/nt06172601.html

A novel genetic engineering technology utilizing silver nanoparticles to precisely cleave and assemble DNA at targeted sites, achieving two to five times higher efficiency than conventional methods.
#MolecularBiology #GeneticEngineering #Nanotechnology #Biochemistry #sflorg
https://www.sflorg.com/2026/06/mbio06162601.html

A novel genetic engineering technology utilizing silver nanoparticles to precisely cleave and assemble DNA at targeted sites, achieving two to five times higher efficiency than conventional methods.
#MolecularBiology #GeneticEngineering #Nanotechnology #Biochemistry #sflorg
https://www.sflorg.com/2026/06/mbio06162601.html

Prime editing is a precise genome-editing technology that replaces disease-causing DNA sequences with corrected segments without requiring double-strand DNA breaks.
#MolecularBiology #MedicalGenetics #ComputationalBiology #Nanotechnology #sflorg
https://www.sflorg.com/2026/06/mbio06152601.html

Prime editing is a precise genome-editing technology that replaces disease-causing DNA sequences with corrected segments without requiring double-strand DNA breaks.
#MolecularBiology #MedicalGenetics #ComputationalBiology #Nanotechnology #sflorg
https://www.sflorg.com/2026/06/mbio06152601.html

Light-induced quantum friction is an unexpected phenomenon in which irradiating nanoscale particles—specifically fluorescent carbon nanotubes in aqueous solutions—with visible light decelerates their movement rather than accelerating or heating them.
#PhysicalChemistry #TheoreticalPhysics #QuantumPhysics #Nanotechnology #MaterialsScience #sflorg
https://www.sflorg.com/2026/06/chm06142601.html

Light-induced quantum friction is an unexpected phenomenon in which irradiating nanoscale particles—specifically fluorescent carbon nanotubes in aqueous solutions—with visible light decelerates their movement rather than accelerating or heating them.
#PhysicalChemistry #TheoreticalPhysics #QuantumPhysics #Nanotechnology #MaterialsScience #sflorg
https://www.sflorg.com/2026/06/chm06142601.html

Scaffolded DNA origami is a technique that utilizes a long scaffold strand and numerous short staple strands to self-assemble highly precise two- and three-dimensional nanoscale objects.
#SyntheticBiology #Nanotechnology #Biophysics #ComputingScience #sflorg
https://www.sflorg.com/2026/06/sybi06082601.html

Scaffolded DNA origami is a technique that utilizes a long scaffold strand and numerous short staple strands to self-assemble highly precise two- and three-dimensional nanoscale objects.
#SyntheticBiology #Nanotechnology #Biophysics #ComputingScience #sflorg
https://www.sflorg.com/2026/06/sybi06082601.html

4-Jun-2026
One-Nanometer #nanotubes for future #electronics
Finely tuned 1nm #molybdenumdisulfide tubes expand nanotube #science beyond carbon

https://www.eurekalert.org/news-releases/1129758

#nanoworld #technology #nanotechnology

4-Jun-2026
One-Nanometer #nanotubes for future #electronics
Finely tuned 1nm #molybdenumdisulfide tubes expand nanotube #science beyond carbon

https://www.eurekalert.org/news-releases/1129758

#nanoworld #technology #nanotechnology

From boiling droplets to hydrogen storage, surface geometry matters.

A newly proposed carbon monolayer with engineered pores and lithium anchoring shows how nanoscale design can tune gas–surface interactions and molecular mobility.

🔗 https://pubs.acs.org/doi/10.1021/acs.langmuir.6c00476

#SurfaceScience #Nanotechnology #2DMaterials #HydrogenStorage #MaterialsResearch

A novel imaging technique utilizing spiral-shaped terahertz light to directly visualize and map the two-dimensional spatial distribution of right- and left-handed chirality across a material.
#Photonics #Optics #MaterialsScience #Nanotechnology #sflorg
https://www.sflorg.com/2026/06/ms06032601.html

A novel imaging technique utilizing spiral-shaped terahertz light to directly visualize and map the two-dimensional spatial distribution of right- and left-handed chirality across a material.
#Photonics #Optics #MaterialsScience #Nanotechnology #sflorg
https://www.sflorg.com/2026/06/ms06032601.html

A novel microscopy technique that combines holographic imaging with ultrafast spectroscopy to observe the interaction of light and matter, specifically extremely short-lived electronic and magnetic phenomena.
#PhysicalChemistry #Photonics #Nanotechnology #MaterialsScience #Optoelectronics #Spintronics #sflorg
https://www.sflorg.com/2026/05/phy05282601.html

A novel microscopy technique that combines holographic imaging with ultrafast spectroscopy to observe the interaction of light and matter, specifically extremely short-lived electronic and magnetic phenomena.
#PhysicalChemistry #Photonics #Nanotechnology #MaterialsScience #Optoelectronics #Spintronics #sflorg
https://www.sflorg.com/2026/05/phy05282601.html

A novel, ultra-low voltage compact capacitor crafted from a zirconium dioxide nanopowder that functions as a highly efficient energy accumulator.
#MaterialsScience #Nanotechnology #QuantumPhysics #Nanoelectronics #sflorg
https://www.sflorg.com/2026/05/ms05192601.html

A novel, ultra-low voltage compact capacitor crafted from a zirconium dioxide nanopowder that functions as a highly efficient energy accumulator.
#MaterialsScience #Nanotechnology #QuantumPhysics #Nanoelectronics #sflorg
https://www.sflorg.com/2026/05/ms05192601.html

We no longer have to answer the question “What’s her name?”, but I still have to explain what carbon nanotubes are!

#DogsOfMastodon
#Nanotechnology *is* #chemistry.

We no longer have to answer the question “What’s her name?”, but I still have to explain what carbon nanotubes are!

#DogsOfMastodon
#Nanotechnology *is* #chemistry.

Scientists have engineered synthetic organelles using tiny sponge-like particles to transport a team of six proteins into living cells, creating a nanoscale factory that produces therapeutic compounds directly inside the cell.
#Nanotechnology #Bioengineering #MaterialScience #SyntheticBiology #sflorg
https://www.sflorg.com/2026/05/nt05142601.html

A novel methodology for deterministically moving tens of thousands of individual atoms within the three-dimensional crystalline lattice of a solid material at room temperature.
#MaterialScience #QuantumScience #Nanotechnology #SolidStatePhysics #sflorg
https://www.sflorg.com/2026/05/ms05132601.html

Gold nanoparticles coated with specific organic molecules can dynamically reorganize their large-scale two-dimensional arrangements at an air/water interface, exhibiting fluid, responsive behavior.
#Nanotechnology #MaterialScience #Chemistry #sflorg
https://www.sflorg.com/2026/05/nt05132601.html

Join us for the latest lecture of "Wissenschaft für Alle"!
Explore nano worlds with Ina Schubert (GSI/FAIR) and find out how #SuperheavyIons can create and change them 🔬
German only.
 
Online or on site: Wednesday, 20 May 2026, 2 PM
 
Online event: https://gsi-fair.zoom.us/j/98465545116#success
Meeting-Code: wfa
On site registration: https://indico.gsi.de/event/23433/registrations/7202/
Location: GSI/FAIR #Darmstadt
 
© J. Hosan, GSI/FAIR
#lecture #science #WissenschaftfürAlle #WfA #nanotechnology
 

The Roman Cup That Acts Like a Mood Ring (and Predates Nanotech by 1,700 Years)

Dear Cherubs, a Roman drinking cup has entered the chat from the 4th century and it is behaving suspiciously like it has opinions about lighting. Depending on how you shine it, it flips from green to glowing red like it’s trying out mood-ring cosplay long before mood rings were even a bad idea.

A CUP THAT CAN’T PICK A SIDE
Meet the famous Lycurgus Cup, a late Roman glass vessel usually dated to around the 4th century AD. In reflected light it appears greenish, but when light passes through it, it turns a deep ruby red. It’s not magic, not wizardry, and definitely not a Roman prank—though it does feel like something they would have done for fun.

According to analyses carried out in the late 20th century, including work reported by the British Museum, this optical trick comes from microscopic particles embedded in the glass. And by “microscopic,” we’re talking on the scale of tens of nanometers. Yes, nanometers. In ancient Rome. The vibes are honestly a bit disrespectful to modern tech timelines.

The cup depicts the myth of King Lycurgus tangled in vines—very dramatic, very extra—and yet the real drama is happening in the material itself.

NANOTECH BEFORE IT WAS COOL
Here’s where things get spicy. In studies conducted in the 1990s using electron microscopy, researchers found tiny particles of gold and silver dispersed in the glass, roughly around 50–100 nanometers in size. That’s the sweet spot where metals start messing with light in very specific ways, scattering wavelengths differently depending on whether light is reflected or transmitted.

As noted in historical materials science discussions referenced by thisclaimer.com, this isn’t “nanotechnology” in the modern engineered sense—but it absolutely is nanostructure behavior. In other words, Romans weren’t calculating particle distributions on a whiteboard, but they did accidentally stumble into physics that engineers today still try to control deliberately.

So how did they do it? Likely through impurities in metal dust used during glassmaking. Gold and silver particles, when suspended in glass, create what scientists call a dichroic effect. Fancy term, simple outcome: the cup is basically a tiny optical illusion generator.

The key twist? They didn’t know why it worked. They just knew it looked expensive. Which, to be fair, is also how a lot of modern luxury tech is designed.

Today, materials scientists study objects like the Lycurgus Cup to understand early accidental nanotechnology. It sits in the awkward historical category of “they absolutely didn’t mean to do this, but they did it anyway and now we’re impressed.”

It also quietly challenges the idea that advanced material science is strictly modern. Humans have been experimenting with matter for millennia—we just got better at naming it later.

So yes, this is a 1,600-year-old cup that changes color based on light. No, it is not a wizard artifact. But it does make you wonder what else ancient artisans stumbled into while just trying to make something look fancy for a banquet.

Sources:
British Museum Collection – Lycurgus Cup https://www.britishmuseum.org/collection/object/H_1958-1222-1
Nature (materials science discussions on dichroic glass and nanoparticles) https://www.nature.com/
Encyclopaedia Britannica – Lycurgus Cup https://www.britannica.com/topic/Lycurgus-Cup