‘Hybrid’ disaster response shows how localization saves lives

Examples of maps communicated daily to field data collectors to define the (a) route or (b) zone each team member should sample along/within for that day. Example (a) is from Jeremie (urban zone) and (b) Aquin (peri-urban zone). Credit: Bulletin of Earthquake Engineering (2024). DOI: 10.1007/s10518-024-01927-8 In August 2021, an earthquake struck southwest Haiti, killing […]

Taking additive manufacturing one step closer to the aviation industry goals

Credit: Pixabay from Pexels The aviation industry is working intensively to reduce the environmental impact of flying, and additive manufacturing (AM) is a key enabler in this effort. However, for the technology to meet the industry’s extremely high safety and quality standards, a thorough understanding of the process is required. New research by Karthikeyan Thalavai […]

MEMS Huygens clock improves timekeeping precision and stability

(a) Schematic of original Huygens’s clock. (b) Structure of MEMS Huygens clock system. (c) Operating mode of MEMS resonator. (d) Image of microfabricated MEMS resonator. PLL: phase locked loop; TIA: trans-impedance amplifier; Va: DC driving voltage of the active oscillator; Vb: DC driving voltage of the passive oscillator; Ref: reference. Credit: Xueyong Wei et al. […]

Electrifying industry with flexible heat pumps—a new approach may help companies generate carbon-free process heat

The researchers tested their new approach on this test facility. Credit: Ostschweizer Fachhochschule Whether producing foods, beverages, drugs, metals or paper or treating surfaces and textiles, industrial companies need process heat for many applications. Much of this is still generated by burning fossil fuels. Consequently, the generation of process heat accounts for a large proportion […]

A review of high-performance cementitious composites in bridge deck durability

Credit: Unsplash/CC0 Public Domain Many modern bridges use orthotropic steel bridge decks (OSBD), the decks being the surface sections of the bridge. OSBDs were designed to be lightweight and economical. However, this design has shown increasing issues with pavement cracking and fatigue damage at the welds that connect the bridge deck to the bridge superstructure. […]

Researchers develop permeable carbon fiber based thermoelectric film with improved EMI shielding

Graphical abstract. Credit: Journal of Advanced Ceramics (2024). DOI: 10.26599/JAC.2024.9220922 Thermoelectric technology, which enables the direct conversion of heat into electricity, has emerged as a promising alternative energy source. Notably, this technology can efficiently convert body heat into electrical energy, garnering significant attention in the field of wearable electronics. However, the dense structure of most […]

Thermoelectric devices may solve overheating issues in shrinking transistors, researchers say

Integrated TED for in-chip transient thermal management. Credit: Nature Communications (2024). DOI: 10.1038/s41467-024-48583-9 The electronics industry faces a new challenge. While transistors in computer chips are shrinking, the heat they produce is only increasing. Overheating can cause reduced circuit performance, increased leakage power or even the total breakdown of transistors. A team of researchers from […]

Researchers enhance performance of hafnia-based memory devices by doping ferroelectric materials with aluminum

Schematic of the ferroelectric memory device, showing QLC behavior and the operation method. Credit: POSTECH A research team has significantly enhanced the data storage capacity of ferroelectric memory devices. By utilizing hafnia-based ferroelectric materials and an innovative device structure, their findings, published on June 7 in the journal Science Advances, mark a substantial advancement in […]

AI strategy may promise more widespread use of portable, robotic exoskeletons—on Earth and in space

Researchers at North Carolina State University have demonstrated a new method that leverages artificial intelligence and computer simulations to train robotic exoskeletons to autonomously help users save energy while walking, running and climbing stairs. Credit: Hao Su, NC State University Safer, more efficient movements for factory workers and astronauts, and improved mobility for people with […]

From seashells to cement, nature inspires tougher building material

Architecture of natural and synthetic nacre-like composite. A) Cross-sectional view of natural nacre. B) SEM micrograph displaying the 3D brick-and-mortar arrangement of aragonite tablets bonded together by a softer organic matrix. C,D) Schematic of undeformed and deformed architected arrangement of natural nacre that allows for large deformation by tablet sliding and viscoelastic deformation of the […]

A section of critical highway collapsed in Wyoming. Could it happen anywhere?

Credit: Pixabay/CC0 Public Domain The partial collapse of a roadway in Wyoming as a result of a landslide that occurred over the weekend raises serious questions about the state of the nation’s infrastructure—echoing concerns aired recently over a range of issues, from frequent water main breaks to the Baltimore bridge collapse in March. The Teton […]

Vibration to power: Bidirectional piezoelectric systems for future aerospace structures

Experimental setup: (A) Schematic diagram and close-up photos of the piezoelectric cantilever beam and shunt circuits. (B) Photo of the experimental platform. Credit: International Journal of Mechanical System Dynamics (2024). DOI: 10.1002/msd2.12101 Mechanical structures often suffer from vibrations that can compromise safety, comfort, and operational longevity. Traditional control methods, while effective, demand substantial energy and […]

World’s heaviest soaring bird inspires wind power design

Wingletted turbine mesh. Credit: Energy (2024). DOI: 10.1016/j.energy.2024.130561 Mechanical engineers at the University of Alberta have teamed up with a renewable energy company to design and test wind turbines based on the wings of the world’s heaviest soaring bird: the Andean condor, which is capable of flying up to 240 kilometers in a single day […]

Algae offer real potential as a renewable electricity source, research shows

Credit: Uros Miloradovic on Unsplash The need to transition away from fossil fuels to more sustainable energy production is critical. That’s why a team of Concordia researchers is looking at a potential power source that not only produces no carbon emissions but removes carbon as it works: algae. Researchers at the Optical-Bio Microsystems Lab recently […]

Computer vision method characterizes electronic material properties 85 times faster than conventional approach

Credit: Unsplash/CC0 Public Domain Boosting the performance of solar cells, transistors, LEDs, and batteries will require better electronic materials, made from novel compositions that have yet to be discovered. To speed up the search for advanced functional materials, scientists are using AI tools to identify promising materials from hundreds of millions of chemical formulations. In […]

Material testing technique could boost safety for travelers

University of Canterbury (UC) Civil and Natural Resource Engineering Professor Derek Warner, alongside his research partners, has developed a method for faster and cheaper fatigue testing for materials in cars, ships and planes. Credit: University of Canterbury Te Whare Wānanga o Waitaha | University of Canterbury (UC) Civil and Natural Resource Engineering Professor Derek Warner, […]

Researchers harness the power of satellites to constantly monitor damaged infrastructure from space

A rendering of Synthetic Aperture Radar (SAR) technology. Credit: Texas A&M University Engineering As infrastructure ages, it becomes more susceptible to failure, which can cause safety and mobility concerns for drivers and pedestrians, and economic woes for taxpayers. A study published in Transportation Research Record shows that high-resolution synthetic aperture radar (SAR) satellite data can […]

Using 3D printer students design attachment for a quieter leaf blower

Credit: Pixabay/CC0 Public Domain Nate Greene, an engineer at Towson’s Stanley Black & Decker, calls the innovation “extremely atypical.” A group of students from Johns Hopkins University signed onto a class project and were tasked with building a new product for the multinational tool company. And they actually did it. Using a campus 3D printer, […]

Catching additive manufacturing defects with nanoseconds to spare

Additive manufacturing has significant potential to strengthen the United States’ manufacturing base, but defects within additively manufactured parts are preventing widespread adoption. Johns Hopkins APL experts are addressing this issue by developing sensors capable of identifying and preventing these defects before they occur. Credit: Johns Hopkins APL The United States is on the cusp of […]

A dynamic projected turn signal for increased road safety

The turn signal is projected onto the road in a dynamic movement and indicates when the car is changing direction. Thanks to the high luminous intensity, the signal is clearly visible even in daylight. Credit: Fraunhofer IOF In recent years, micro-optical projectors have become well established for automotive applications. These projectors enable cars to communicate […]

Accelerating the practical application of next-gen batteries that are fire-resistant through dual-layer coating

Graphical abstract. Credit: Chemical Engineering Journal (2024). DOI: 10.1016/j.cej.2024.149881 Professor Hongkyung Lee of DGIST’s Energy Science and Engineering collaborated with Dr. Chanhoon Kim’s Clean Energy Conversion Group at the Korea Institute of Industrial Technology (KITECH) to introduce a stabilization technology for unstable battery systems through the adoption of a dual-layer coating method. The work is […]

Advancing satellite-based PNT service: Low Earth orbit satellite constellations augment the GNSS

Demand and key technology for a LEO constellation as augmentation of satellite navigation systems. Credit: Satellite Navigation (2024). DOI: 10.1186/s43020-024-00133-w A study has outlined the critical needs and essential technologies for a low Earth orbit (LEO) constellation to augment satellite navigation systems, significantly improving the Positioning, Navigation and Timing (PNT) services. This research specifically targets […]

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