Hacker News with Generative AI: Nanotechnology

Terabytes Encoded Within a Millimeter-Sized Crystal (bioengineer.org)
In a groundbreaking study, researchers from the University of Chicago Pritzker School of Molecular Engineering have made significant strides toward enhancing the efficiency of classical computer memory by harnessing the properties of crystal defects.

Storage, Nanotechnology, Materials Science, Physics

27 points by geox 7 days ago | 7 comments

TSMC 2nm Process Disclosure – How Does It Measure Up? (semiwiki.com)
TSMC presented its 2nm Platform Technology at IEDM 2024, focusing on energy-efficient nanosheet transistors and 3DIC co-optimization for various applications.

Semiconductors, Technology, Nanotechnology, Manufacturing, TSMC

136 points by sroussey 10 days ago | 101 comments

Printable molecule-selective nanoparticles enable wearable biosensor mass prod (phys.org)
The future of medicine may very well lie in the personalization of health care—knowing exactly what an individual needs and then delivering just the right mix of nutrients, metabolites, and medications, if necessary, to stabilize and improve their condition.

Biotechnology, Wearable Technology, Nanotechnology, Medical Technology

6 points by bookofjoe 17 days ago | 0 comments

Graphene tattoos that are biosensors (ieee.org)
Imagine it’s the year 2040, and a 12-year-old kid with diabetes pops a piece of chewing gum into his mouth. A temporary tattoo on his forearm registers the uptick in sugar in his blood stream and sends that information to his phone.

Biotechnology, Future Technology, Nanotechnology

3 points by headalgorithm 18 days ago | 0 comments

Machine learning and nano-3D printing produce nano-architected materials (utoronto.ca)
Researchers at the University of Toronto’s Faculty of Applied Science & Engineering have used machine learning to design nano-architected materials that have the strength of carbon steel but the lightness of Styrofoam.

Machine Learning, Materials Science, Nanotechnology, 3D Printing

58 points by gmays 24 days ago | 6 comments

Integration of 1,024 silicon quantum dots with on-chip electronics (phys.org)
Researchers at Quantum Motion in London recently demonstrated the integration of 1,024 independent silicon quantum dots with on-chip digital and analog electronics, to produce a quantum computing system that can operate at extremely low temperatures.

Quantum Computing, Nanotechnology, Electronics, Research

19 points by bookofjoe 27 days ago | 0 comments

Cytoskeleton-functionalized synthetic cells with life-like mechanical features (nature.com)
The cytoskeleton is a crucial determinant of mammalian cell structure and function, providing mechanical resilience, supporting the cell membrane and orchestrating essential processes such as cell division and motility.

Science, Biology, Nanotechnology, Synthetic Biology

24 points by PaulHoule 31 days ago | 1 comments

Plastic supercapacitors could solve energy storage problems (newsroom.ucla.edu)
UCLA chemists have created a new type of textured, fur-like PEDOT film with more surface area to store charge and built a supercapacitor with it that stored nearly ten times more charge than conventional PEDOT and lasted nearly 100,000 charging cycles.

Energy Storage, Nanotechnology, Materials Science, Chemistry

5 points by gnabgib 31 days ago | 2 comments

Impact of Low Temperatures on the 5nm SRAM Array Size and Performance (semiengineering.com)
A new technical paper titled “Novel Trade-offs in 5 nm FinFET SRAM Arrays at Extremely Low Temperatures” was published by researchers at University of Stuttgart, IIT Kanpur, National Yang Ming Chiao Tung University, Khalifa University, and TU Munich.

Semiconductors, Nanotechnology, Computer Architecture

40 points by rbanffy 31 days ago | 23 comments

Optical Fresnel zone plate flat lens: colored photoresist through I-line stepper (nature.com)
Light manipulation and control are essential in various contemporary technologies, and as these technologies evolve, the demand for miniaturized optical components increases.

Optics, Nanotechnology, Engineering, Materials Science

61 points by bookofjoe 35 days ago | 14 comments

Inverse Design of Complex Nanoparticle Heterostructures via DL on Graphs (chemrxiv.org)

Nanotechnology, Machine Learning, Chemistry, Materials Science

23 points by pizza 57 days ago | 8 comments

Self-Assembly Trick Makes Transistors and Diodes (ieee.org)
Using liquid metal, scientists have devised a new way to make electronics that assemble themselves.

Nanotechnology, Electronics, Materials Science

4 points by rbanffy 65 days ago | 0 comments

TSMC's N2 Technology (ieee.org)
TSMC described its next generation transistor technology this week at the IEEE International Electron Device Meeting (IEDM) in San Francisco. The N2, or 2-nanometer, technology is the semiconductor foundry giant’s first foray into a new transistor architecture, called nanosheet or gate-all-around.

Semiconductors, Technology, Nanotechnology, Transistors

5 points by rbanffy 70 days ago | 0 comments

Researchers discover new third class of magnetism (nottingham.ac.uk)
A new class of magnetism called altermagnetism has been imaged for the first time in a new study. The findings could lead to the development of new magnetic memory devices with the potential to increase operation speeds of up to a thousand times.

Magnetism, Science, Materials Science, Nanotechnology

146 points by pavel_lishin 70 days ago | 55 comments

TSMC Lifts the Curtain on Nanosheet Transistors (ieee.org)
TSMC described its next generation transistor technology this week at the IEEE International Electron Device Meeting (IEDM) in San Francisco. The N2, or 2-nanometer, technology is the semiconductor foundry giant’s first foray into a new transistor architecture, called nanosheet or gate-all-around.

Semiconductors, Technology, Transistors, Nanotechnology

16 points by jnord 71 days ago | 1 comments

Shooting electrons at plastic to make microscopic features [video] (youtube.com)

Nanotechnology, Materials Science, Physics, Video

5 points by supakeen 72 days ago | 0 comments

Positioning single atoms with a scanning tunnelling microscope (1990) (nature.com)
SINCE its invention in the early 1980s by Binnig and Rohrer1,2, the scanning tunnelling microscope (STM) has provided images of surfaces and adsorbed atoms and molecules with unprecedented resolution.

Science, Nanotechnology, Microscopy, Physics

12 points by sandwichsphinx 81 days ago | 2 comments

Chinese researchers indicate diamonds can store data for millions of years (readwrite.com)
Research has suggested that diamond-based storage technology could preserve vast amounts of information for up to millions of years.

Data Storage, Materials Science, Nanotechnology, China

29 points by ms7892 83 days ago | 12 comments

Lens breakthrough paves the way for ultrathin cameras (physicsworld.com)
A research team headed up at Seoul National University has pioneered an innovative metasurface-based folded lens system, paving the way for a new generation of slimline cameras for use in smartphones and augmented/virtual reality devices.

Optics, Camera Technology, Nanotechnology, Augmented Reality, Virtual Reality

4 points by sohkamyung 88 days ago | 0 comments

Tunable ultrasound propagation in microscale metamaterials (news.mit.edu)
A new study coauthored by Portela; Rachel Sun, Jet Lem, and Yun Kai of the MIT Department of Mechanical Engineering (MechE); and Washington DeLima of the U.S. Department of Energy Kansas City National Security Campus presents a design framework for controlling ultrasound wave propagation in microscopic acoustic metamaterials.

Acoustics, Metamaterials, Nanotechnology, Materials Science, Engineering

32 points by XzetaU8 90 days ago | 6 comments

A “meta-optics” camera that is the size of a grain of salt (cacm.acm.org)
When it comes to cameras, size matters, but not in the way you think.

Camera Technology, Optics, Nanotechnology

244 points by rbanffy 91 days ago | 131 comments

Ultraprecise method of aligning 3D semiconductor chips invented (techxplore.com)
Researchers at the University of Massachusetts Amherst have invented a new way to align 3D semiconductor chips by shining a laser through concentric metalenses patterned on the chips to produce a hologram.

Semiconductors, 3D Printing, Nanotechnology, Laser Technology, Materials Science

170 points by thebeardisred 113 days ago | 24 comments

Graphene and chitosan sponge 10x more efficient at removing gold from e-waste (phys.org)
A team of chemists and materials scientists at the National University of Singapore, working with colleagues from Manchester University, in the U.K., and Guangdong University of Technology, in China, has developed a type of sponge made of graphene oxide and chitosan, that can be used to extract gold from electronic waste.

Materials Science, Nanotechnology, Environmental Technology, Recycling

3 points by thebeardisred 115 days ago | 0 comments

Room temp chirality switching and detection in a helimagnetic MnAu2 thin film (nature.com)
Helimagnetic structures, in which the magnetic moments are spirally ordered, host an internal degree of freedom called chirality corresponding to the handedness of the helix.

Physics, Magnetism, Materials Science, Nanotechnology

46 points by westurner 122 days ago | 3 comments

Nanopillars create tiny openings in the nucleus without damaging cells (phys.org)
Imagine trying to poke a hole in the yolk of a raw egg without breaking the egg white. It sounds impossible, but researchers at the University of California San Diego have developed a technology that performs a similarly delicate task in living cells.

Nanotechnology, Biology, Science, Research

7 points by PaulHoule 127 days ago | 0 comments

A carbon-nanotube-based tensor processing unit (nature.com)
The growth of data-intensive computing tasks requires processing units with higher performance and energy efficiency, but these requirements are increasingly difficult to achieve with conventional semiconductor technology.

Hardware, Nanotechnology, Artificial Intelligence, Computing

3 points by belter 127 days ago | 0 comments

Tailoring amorphous boron nitride for high-performance 2d electronics (nature.com)
Two-dimensional (2D) materials have garnered significant attention in recent years due to their atomically thin structure and unique electronic and optoelectronic properties.

Materials Science, Nanotechnology, Electronics, 2D Materials

12 points by PaulHoule 141 days ago | 0 comments

Proxima Centauri: Coherent Picospacecraft Swarms over Interstellar Distances (nasa.gov)
Tiny gram-scale interstellar probes pushed by laser light are likely to be the only technology capable of reaching another star this century.

Space Exploration, Interstellar Travel, Nanotechnology

14 points by divbzero 150 days ago | 2 comments

Quantum researchers cause controlled 'wobble' in the nucleus of a single atom (tudelft.nl)
Researchers from Delft University of Technology in The Netherlands have been able to initiate a controlled movement in the very heart of an atom.