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Category: nanotechnology

Electron beam method enables precise nanoscale carving and building of copper structures

Creating complex structures at the tiniest scales has long been a challenge for engineers. But new research from Georgia Tech shows how electron beams, already widely used in imaging and fabrication, can also be used as ultra-precise tools to both carve and build structures out of materials like copper.

The research group of Professor Andrei Fedorov at the George W. Woodruff School of Mechanical Engineering has discovered a technique that uses focused electron beams in a liquid environment to either remove or deposit copper, depending entirely on the surrounding chemistry.

By tuning the amount of in the solution, the researchers were able to control whether the beam etched away the material or deposited it, effectively allowing 3D sculpting at the atomic level.

Cryonics in Space, Cryostasis Repair Science & Revival Ethics

Cryonics in space, cryostasis repair science, and revival ethics and planning are converging in 2025 to shape a bold new vision for life extension and post-biological freedom.

Join us Thursday, July 31 at 6 PM EST for a virtual service featuring two of cryonics’ leading voices:

Rudy Hoffman – Immortality Through Innovation.
Rudy opens with the visionary idea of cryonics in space and shares how today’s planning tools—annuity structures, revival trusts, and insurance-backed systems—support long-term access to biostasis. He ends with a powerful call to preserve freedom in the era of revival governance.

Alex Crouch – The Bridges to Reanimation.
Founder of Revival Research Group, Alex outlines the six bridges of cryostasis repair science, covering nanotech repair, AI orchestration, simulation, and bioprinting. His roadmap aims to make revival a transparent, collaborative goal.

Opening remarks by Neal Vanderee, officiator of the Church of Perpetual Life, connecting science, spirit, and future readiness.

Schedule:

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Research reveals quantum topological potential in material

New research into topological phases of matter may spur advances in innovative quantum devices. As described in a new paper published in the journal Nature Communications, a research team including Los Alamos National Laboratory scientists used a novel strain engineering approach to convert the material hafnium pentatelluride (HfTe5) to a strong topological insulator phase, increasing its bulk electrical resistance while lowering it at the surface, a key to unlocking its quantum potential.

“I’m excited that our team was able to show that the elusive and much-sought-after topological surface states can be made to become a predominant electrical conduction pathway,” said Michael Pettes, scientist with the Center for Integrated Nanotechnologies (CINT) at the Laboratory.

“This is promising for the development of types of quantum optoelectronic devices, dark matter detectors and topologically protected devices such as quantum computers. And the methodology we demonstrate is compatible for experimentation on other .”

Self-Assembled Nanoparticles from Xie-Bai-San Decoction: Isolation, Characterization and Enhancing Oral Bioavailability

Natural nanoparticles have been found to exist in traditional Chinese medicine (TCM) decoctions. However, whether natural nanoparticles can influence the oral bioavailability of active compounds has not been elucidated. Using Xie-Bai-San decoction (XBSD) as an example, the purpose of this study was to isolate, characterize and elucidate the mechanism of the nanoparticles (N-XBSD) in XBSD, and further to explore whether the bioavailability of the main active compounds could be enhanced by N-XBSD.

N-XBSD were isolated from XBSD, and investigated its characterization and study of its formation mechanism, and evaluation of its ability to enhance bioavailability of active compounds.

The N-XBSD was successfully isolated with the average particle size of 104.53 nm, PDI of 0.27 and zeta potential of −5.14 mV. Meanwhile, all the eight active compounds were most presented in N-XBSD. Kukoamine B could self-assemble with mulberroside A or liquiritin to form nanoparticles, respectively. And the FT-IR and HRMS results indicated the possible binding of the ammonium group of kukoamine B with the phenolic hydroxyl group of mulberroside A or liquiritin, respectively. The established UPLC-MS/MS method was accurate and reliable and met the quantitative requirements. The pharmacokinetic behaviors of the N-XBSD and decoction were similar in rats. Most notably, compared to that of free drugs, the Cmax, AUC0-∞, AUC0-t, T1/2 and MRT0-∞ values of index compounds were the higher in N-XBSD, with a slower plasma clearance rate in rats.

Chinese nanotechnology fueling advanced bio, cyber weapons, electronic warfare tools, study warns

The Chinese military is building sophisticated biological weapons and small-scale electronic tools made with nanotechnology that could be used in covert warfare, a major study warns.

“China’s invisible arsenals encompass a range of advanced weaponry that are distinctly focused on providing the Chinese Communist Party with a range of asymmetric warfare options, including the delivery of biological, biochemical and neurobiological weapons on target populations,” according to a report by three open-source intelligence analysts.

The People’s Liberation Army, or PLA, is developing nanoweapons using highly sophisticated microscopic materials that enhance the effects of biological weapons, according to the report, titled “In the Shadows of Science: Unravelling China’s Invisible Arsenals of Nanoweapons.” It was made public earlier this month.

Spin waves observed directly at nanoscale for first time

For the first time, spin waves, also known as magnons, have been directly observed at the nanoscale. This breakthrough was made possible by combining a high–energy-resolution electron microscope with a theoretical method developed at Uppsala University. The results open exciting new opportunities for studying and controlling magnetism at the nanoscale.

Guided Nanoparticles Reconnect Brain Cells, Raising Hopes For Parkinson’s Treatment

Broken connections between brain cells play a critical role in multiple neurodegenerative conditions, including Parkinson’s disease. Scientists have now come up with a novel way of repairing our neural wiring.

A team led by University of Pisa biologist Sara De Vincentiis used mini-brains grown in a lab to test a technique they’re calling “nano-pulling”, using tiny magnetic particles controlled by magnetic fields to guide axons (connective nerve fibers) into place.

With further development, the researchers believe this approach could help restore the nigrostriatal pathway, a vital connection in motor control that is compromised in Parkinson’s patients.