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New global standard set for testing graphene’s single-atom thickness

Graphene could transform everything from electric cars to smartphones, but only if we can guarantee its quality. The University of Manchester has led the world’s largest study to set a new global benchmark for testing graphene’s single-atom thickness. Working with the UK’s National Physical Laboratory (NPL) and 15 leading research institutes worldwide, the team has developed a reliable method using transmission electron microscopy (TEM) that will underpin future industrial standards.

Researchers at the University of Manchester, working with the UK’s National Physical Laboratory and 15 international partners, have developed a robust protocol using transmission electron microscopy (TEM). The results, published in 2D Materials, will underpin a new ISO technical specification for graphene.

“To incorporate graphene and other 2D materials into industrial applications, from light-weight vehicles to sports equipment, touch screens, sensors and electronics, you need to know you’re working with the right material. This study sets a global benchmark that industry can trust,” said Dr. William Thornley, who worked on the research during his Ph.D.

From Nano to Nobel: National Lab Researchers Use MOFs to Solve Big Problems

Building on the foundational Nobel Prize-winning work, researchers at Berkeley Lab and its DOE user facilities continue to push MOF technology to address major global challenges.

For example, at the ALS, a team led by Yaghi traced how MOFs absorb water and engineered new versions to harvest water from the air more efficiently – an important step in designing MOFs that could help ease water shortages in the future. Yaghi is launching this technology through the company Waha, Inc, and working with scientists from the Energy Technologies Area to apply water-absorbing MOFs for in-building technologies and industrial applications.

Another team, led by joint Berkeley Lab and UC Berkeley scientist Jeffrey Long, used the ALS to study how flexible MOFs hold natural gas, with potential to boost the driving range of an adsorbed-natural-gas car – an alternative to today’s vehicles. An international team of scientists used the ALS to study the performance of a MOF that traps toxic sulfur dioxide gas at record concentrations; sulfur dioxide is typically emitted by industrial facilities, power plants, and trains and ships, and is harmful to human health and the environment. Others have used the facility to design luminous MOFs, or LMOFs, glowing crystals that can capture mercury and lead to clean contaminated drinking water.

Two-step flash Joule heating method recovers lithium‑ion battery materials quickly and cleanly

A research team at Rice University led by James Tour has developed a two-step flash Joule heating-chlorination and oxidation (FJH-ClO) process that rapidly separates lithium and transition metals from spent lithium-ion batteries. The method provides an acid-free, energy-saving alternative to conventional recycling techniques, a breakthrough that aligns with the surging global demand for batteries used in electric vehicles and portable electronics.

Published in Advanced Materials, this research could transform the recovery of critical battery materials. Traditional recycling methods are often energy intensive, generate wastewater and frequently require harsh chemicals. In contrast, the FJH-ClO process achieves high yields and purity of lithium, cobalt and graphite while reducing energy consumption, chemical usage and costs.

“We designed the FJH-ClO process to challenge the notion that battery recycling must rely on acid leaching,” said Tour, the T.T. and W.F. Chao Professor of Chemistry and professor of materials science and nanoengineering. “FJH-ClO is a fast, precise way to extract valuable materials without damaging them or harming the environment.”

Material Strength Doesn’t Follow the Rules

A textbook rule for the relationship between the structure and strength of a material breaks down for high-speed deformations, like those caused by strong impacts.

On the microscale, metallic materials are made of homogeneous crystalline regions—grains—separated by disordered boundaries. In general, materials with smaller grains are stronger because they have more grain boundaries, which impede deformation. But researchers have now demonstrated a radical departure from this rule: With rapid deformation, such as that from an explosive impact, finer grained metals are softer, not harder [1]. This new insight, the researchers hope, could be useful for engineers developing impact-resistant alloys for armor, aerospace structures, or hypersonic vehicles.

The yield strength of a material is the stress (force) at which it begins to deform permanently rather than springing back. At the atomic scale in crystalline materials, this deformation occurs when sections of the crystal slide past one another, facilitated by the motion of structural defects called dislocations. But at grain boundaries, dislocations are halted and can pile up, which translates into resistance to deformation and increased yield strength. Materials with smaller grains have more grain boundaries than those with larger grains, so smaller grains are associated with higher strength.

Cybercab Game Changers Tesla & Elon Kept Under Wraps

Questions to inspire discussion.

Design & Manufacturing Innovation.

🔧 Q: Why were conventional door locks added despite weight concerns? A: Conventional door locks on frameless doors were likely required for global market compliance, though positioning locks closer to the pivot point reduces the work required compared to weight at the door’s end.

Tire Optimization for Taxi Operations.

🛞 Q: What tire specifications optimize Cybercab for taxi service? A: 20–22 inch tires with thicker sidewalls provide smoother ride at lower speeds typical of taxi use, require less frequent changes, and achieve 6–7 miles per kilowatt hour efficiency through reduced rolling resistance.

Accessibility Features.

Continue reading “Cybercab Game Changers Tesla & Elon Kept Under Wraps” | >

Gmail’s new AI Inbox uses Gemini, but Google says it won’t train AI on user emails

Google says it’s rolling out a new feature called ‘AI Inbox,’ which summarizes all your emails, but the company promises it won’t train its models on your emails.

On Thursday, Google announced a new era of Gmail where Gemini will be taking over your default inbox screen.

Google argues that email has changed since 2004, as users are now bombarded with hundreds of emails every week, and volume keeps rising.

Synchronizing ultrashort X-ray pulses for attosecond precision

Scientists at the Paul Scherrer Institute PSI have, for the first time, demonstrated a technique that synchronizes ultrashort X-ray pulses at the X-ray free-electron laser SwissFEL. This achievement opens new possibilities for observing ultrafast atomic and molecular processes with attosecond precision.

Scrutinizing fast atomic and molecular processes in action requires bright and short X-ray pulses—a task in which free-electron lasers such as SwissFEL excel. However, within these X-ray pulses the light is internally disordered: its temporal structure is randomly distributed and varies from shot to shot. This limits the accuracy of certain experiments.

To tame this inherent randomness, a team of PSI researchers has succeeded in implementing a technique known as mode-locking to generate trains of pulses that are coherent in time. “We can now obtain fully ordered pulses in time and frequency in a very controlled manner,” says accelerator physicist Eduard Prat, who led the study, published in Physical Review Letters.

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