Hacker News with Generative AI: Materials Science

MIT engineers print synthetic "metamaterials" that are both strong and stretchy (news.mit.edu)
MIT engineers have now found a way to fabricate a metamaterial that is both strong and stretchy.
Engineering, Materials Science, MIT, Metamaterials
7 points by gnabgib 2 days ago | 0 comments
Scientists make water-repellent replacement for toxic 'forever chemicals' (phys.org)
A team of international scientists has invented a substitute for synthetic chemicals, called PFAS (perfluoroalkyl substances), which are widely used in everyday products despite being hazardous to health and the environment.
Science, Environmental Science, Chemistry, Materials Science, Sustainability
10 points by PaulHoule 8 days ago | 0 comments
Stainless steel strengthened: Twisting creates submicron 'anti-crash wall' (techxplore.com)
A combined team of metallurgists, materials scientists and engineers from the Chinese Academy of Sciences, Shandong University and the Georgia Institute of Technology has developed a way to make stainless steel more resistant to metal fatigue.
Materials Science, Engineering, Metallurgy, Nanotechnology
102 points by wglb 9 days ago | 44 comments
'Paraparticles' Would Be a Third Kingdom of Quantum Particle (quantamagazine.org)
A new proposal makes the case that paraparticles — a new category of quantum particle — could be created in exotic materials.
Quantum Mechanics, Physics, Materials Science
11 points by jnord 14 days ago | 2 comments
Why 'Prince Rupert's Drop' Glass Is Strong Enough to Shatter a Bullet (2023) (popularmechanics.com)
Don’t be fooled by this delicate drop of glass. It’s actually really hard to destroy.
Science, Materials Science, Physics, Glass, Strength
63 points by susam 16 days ago | 31 comments
A 32-bit processor made with an atomically thin semiconductor (arstechnica.com)
On Wednesday, a team of researchers from China used a paper published in Nature to describe a 32-bit RISC-V processor built using molybdenum disulfide instead of silicon as the semiconductor.
Semiconductors, Processors, Hardware, Materials Science
223 points by PaulHoule 18 days ago | 40 comments
Boron-Based Flame Retardants: Enabling Everyday Safety (borax.com)
On November 6, 1961, one of the most costly and destructive residential fires in California history ignited.
Safety, Fire Safety, Chemistry, Materials Science
15 points by guerrilla 20 days ago | 2 comments
A 'fungi tile' with elephant skin texture to cool buildings (ntu.edu.sg)
NTU Singapore scientists, in collaboration with local ecology and biomimicry design firm bioSEA, have developed ‘fungi tiles’ that could one day be used to cool down buildings without consuming energy.
Architecture, Sustainability, Materials Science, Biomimicry
5 points by geox 21 days ago | 0 comments
Does the future of AI depend on glass? (schott.com)
Fully realized AI systems could save millions of lives, so what’s holding it back? Glass core-based semiconductor packaging could solve the limitations of today's microchips, powering AI innovations in healthcare for precision and life-saving advancements.
Artificial Intelligence, Healthcare, Technology, Materials Science
3 points by con_johnson 23 days ago | 1 comments
Electron band structure in germanium, my ass (2001) (cs.wisc.edu)
The exponential dependence of resistivity on temperature in germanium is found to be a great big lie.
Semiconductors, Materials Science, Physics
903 points by tux3 25 days ago | 408 comments
Plastic-like materials that dissolve in the sea (riken.jp)
Microplastics—small fragments of plastics less than 5mm across—now infiltrate every corner of our planet, from remote regions of the deep ocean and the Arctic, to the very air we breathe.
Environmental Science, Microplastics, Pollution, Materials Science
5 points by geox 28 days ago | 0 comments
Japanese scientists create new plastic that dissolves in saltwater overnight (newatlas.com)
Scientists at RIKEN in Japan have developed a new type of plastic that’s just as stable in everyday use but dissolves quickly in saltwater, leaving behind safe compounds.
Science, Materials Science, Environmental Technology, Chemistry, Japan
194 points by bentobean 29 days ago | 121 comments
Physicists discover a copper-free high-temperature superconducting oxide (phys.org)
Professor Ariando and Dr. Stephen Lin Er Chow from the National University of Singapore (NUS) Department of Physics have designed and synthesized a groundbreaking new material—a copper-free superconducting oxide—capable of superconducting at approximately 40 Kelvin (K), or about minus 233°C, under ambient pressure.
Physics, Superconductivity, Materials Science
7 points by bookofjoe 30 days ago | 2 comments
Thinner Films Conduct Better Than Copper (ieee.org)
Future chips need something better than copper. Are topological semimetals the answer?
Materials Science, Nanotechnology, Semiconductors, Computing
66 points by rbanffy 30 days ago | 23 comments
Plasmonic Modulators Break Wireless Terahertz Barrier (ieee.org)
A new plasmonic modulator [in gold] transfers signal information from an electrical wave to an optical wave at higher speeds than other modulator technologies.
Plasmonics, Terahertz Technology, Wireless Communication, Materials Science, Optics
25 points by rbanffy 32 days ago | 7 comments
Artificial muscle flexes in multiple directions, offering a path to soft robots (news.mit.edu)
MIT engineers have developed a method to grow artificial muscle tissue that twitches and flexes in multiple, coordinated directions.
Robotics, Artificial Intelligence, Materials Science, Engineering
3 points by gmays 32 days ago | 0 comments
AI Reveals Secrets of Dendritic Growth in Thin Films (tus.ac.jp)
Researchers have developed a new AI model that predicts dendritic growth in thin films, helping optimize thin-film growth processes
Artificial Intelligence, Materials Science, Thin Films, Dendritic Growth
44 points by rustoo 32 days ago | 14 comments
Moiré Than Meets the Eye: Uncovering the Quantum Potential of Phasons (newscenter.lbl.gov)
Researchers have discovered that phasons, low-temperature quasiparticles found in crystal lattices, enable interlayer excitons to move at very low temperatures, when motion should stop.
Quantum Mechanics, Physics, Materials Science, Cryogenics
24 points by gnabgib 32 days ago | 2 comments
Perovskite Solar Cells Can Be Completely Recycled (physicsworld.com)
A research team headed up at Linköping University in Sweden and Cornell University in the US has succeeded in recycling almost all of the components of perovskite solar cells using simple, non-toxic, water-based solvents.
Solar Cells, Recycling, Materials Science, Energy
6 points by EA-3167 33 days ago | 2 comments
McLaren invented new carbon fiber tape to build even more complex parts (thedrive.com)
It's not cheap, but this process offers better strength-to-weight properties than what you'll find in more "pedestrian" performance cars.
Materials Science, Automotive, Engineering, Innovation, Technology
140 points by PaulHoule 40 days ago | 90 comments
Chewing gum is plastic pollution, not a litter problem (theconversation.com)
Thousands of tonnes of plastic pollution could be escaping into the environment every year … from our mouths. Most chewing gum on sale is made from a variety of oil-based synthetic rubbers – similar to the plastic material used in car tyres.
Pollution, Environment, Materials Science
47 points by zeristor 40 days ago | 37 comments
Three-dimensional flexible thermoelectric fabrics for smart wearables (nature.com)
Wearable thermoelectric devices, capable of converting body heat into electrical energy, provide the potential driving power for the Internet of Things, artificial intelligence, and soft robotics.
Smart Wearables, Thermoelectrics, Materials Science
3 points by bookofjoe 41 days ago | 1 comments
The Asbestos Times (2023) (worksinprogress.co)
Asbestos was a miracle material, virtually impervious to fire. But as we fixed city fires in other ways, we came to learn about its horrific downsides.
History, Environmentalism, Materials Science
4 points by Tomte 41 days ago | 0 comments
Nanoscale tweaks help alloy withstand high-speed impacts (techxplore.com)
A Cornell-led collaboration devised a new method for designing metals and alloys that can withstand extreme impacts: introducing nanometer-scale speed bumps that suppress a fundamental transition that controls how metallic materials deform.
Materials Science, Nanotechnology, Engineering, Metallurgy
4 points by PaulHoule 42 days ago | 0 comments
Chinese Bismuth Transistor Breakthrough (tomshardware.com)
Electronics, Materials Science, China, Semiconductors
11 points by Blueskytech 44 days ago | 1 comments
Ceramic powders with Archimedean shapes resist extreme heat and oxidation (phys.org)
A research team led by Prof. Hu Xiaoye from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has synthesized high-quality boride ceramic powders with an Archimedean shape.
Materials Science, Ceramics, Nanotechnology, Heat Resistance
23 points by PaulHoule 46 days ago | 0 comments
Nickel superconductor works above -233°C threshold at normal pressure (phys.org)
A team of engineers and physicists at Southern University of Science and Technology, in China, has created a nickel-based material that behaves as a superconductor above the -233°C (40 K) threshold under ambient pressure.
Superconductivity, Materials Science, Physics
125 points by PaulHoule 47 days ago | 24 comments
Open source software for modeling soft materials (now.tufts.edu)
Tufts scientists develop Morpho software, which can model anything from cardiovascular stents to pharmaceutical ingredient manufacturing
Software, Materials Science, Open Source, Bioengineering
87 points by nill0 47 days ago | 15 comments
Mimicking shark skin to create clean cutting boards (morningagclips.com)
Instead of constantly battling to prevent bacteria buildup, researchers created surfaces that stop bacteria from attaching in the first place.
Science, Innovation, Materials Science, Biology
11 points by HR01 50 days ago | 1 comments
Room-temperature superconductors: Fundamental constants suggest they could exist (phys.org)
In a new development that could help redefine the future of technology, a team of physicists has uncovered a fundamental insight into the upper limit of superconducting temperature.
Physics, Superconductivity, Materials Science
8 points by bilsbie 51 days ago | 3 comments