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Inside the battery in 3D: Powerful X-rays watch solid state batteries charging and discharging

A research team observed the internal evolution of materials inside solid-state lithium batteries as they charged and discharged using ultrabright X-rays. The detailed 3D information may help improve reliability and performance of the batteries, which use solid materials to replace liquid electrolytes in existing lithium-ion batteries.

SourceDOE/Argonne National Laboratory·JournalNature Materials·DateFeb 3, 2021

High-speed holographic fluorescence microscopy system with submicron resolution

A new scanless high-speed holographic fluorescence microscopy system has been developed with submicron resolution, enabling 3D sensing of nanoparticles and color-multiplexed holographic fluorescence imaging. The system achieves measurements in less than 1 millisecond using digital holography and a phase modulator.

When galaxies collide

Researchers found that certain head-on galaxy collisions can clear matter from the galactic nucleus, reducing the activity of central black holes. This discovery could help us understand the evolution of our Milky Way and its interactions with smaller galaxies.

SourceUniversity of Tokyo·JournalNature Astronomy·DateJan 25, 2021

Towards 6G wireless communication networks: vision, enabling technologies, and new paradigm shifts

The article outlines four key paradigm shifts for 6G wireless communication networks: global coverage through non-terrestrial networks, full spectrum exploration for increased data rates, AI-powered smart applications, and enhanced network security. The future of 6G promises faster and more secure communications, blurring the lines bet...

SourceScience China Press·JournalScience China Information Sciences·DateNov 25, 2020

High temperatures threaten the survival of insects

A new study from Lund University found that high temperatures can limit insects' ability to reproduce and tolerate changes in temperature. Insects, being cold-blooded, rely on external sources for body temperature regulation, making them vulnerable to overheating.

SourceLund University·JournalProceedings of the National Academy of Sciences·DateNov 10, 2020

Lead-free magnetic perovskites

Scientists at Linköping University develop a lead-free magnetic double perovskite with interesting optoelectronic properties, opening the possibility of coupling spintronics with optoelectronics. The new material exhibits a magnetic response at temperatures below 30 K.

SourceLinköping University·JournalScience Advances·DateNov 6, 2020

Tricking fake news detectors with malicious user comments

A new study from Penn State reveals how fake news detectors can be manipulated through user comments, allowing adversaries to influence the detector's assessment of a story. The researchers developed a framework called Malcom to generate and optimize malicious comments that fool leading fake news detectors over 93% of the time.

Novel virus-based colorimetric sensor can show true colors of airborne threats

Scientists developed a novel colorimetric sensor using genetically engineered viruses to detect airborne chemicals, showing practical applicability. The sensor's high sensitivity and mass-producibility hold promise for various real-life applications, including detecting harmful industrial chemicals and assessing air quality.

Study hopes to encourage use of new technology to reduce errors in DNA testing

A study by Dr. Jianye Ge and colleagues suggests that millions of DNA testing cases may be incorrectly interpreted due to limited genetic information. The new technology has been shown to substantially reduce the chance of mistakes in kinship relationship testing, which could have serious consequences for individuals and families.

Digitizing chemistry with a smart stir bar

Researchers created an inexpensive smart stir bar that can automatically measure and transmit data on a solution's properties to a smartphone or computer. This device uses open-source software and low-cost components to detect parameters such as color, electrical conductivity, and viscosity.

SourceAmerican Chemical Society·JournalACS Sensors·DateJul 22, 2020

Invention offers new option for monitoring heart health

Researchers at Purdue University developed self-powered wearable devices that can monitor cardiovascular health using polyvinyl alcohol (PVA) and transform mechanical energy into power. These devices have the potential to be non-invasive, personalized, and cost-effective for detecting common heart diseases.

SourcePurdue University·JournalAdvanced Materials·DateJul 22, 2020

Underused part of the electromagnetic spectrum gets optics boost from 'metasurface'

Researchers at Tokyo University of Agriculture and Technology develop a novel collimator using a specially designed metasurface, enabling efficient manipulation of terahertz waves. This breakthrough has significant implications for next-generation wireless communications, security systems, biomedicine, and cultural heritage science.

GPS isn't just for road trips anymore

Researchers found that GPS-guided tractors can reduce overlap and gaps in field coverage by up to 6% and 16%, respectively, leading to increased crop production and environmental benefits. This technology has the potential to be adopted by small farms, which currently lag behind larger producers in terms of technology adoption.

SourceAmerican Society of Agronomy·JournalAgricultural & Environmental Letters·DateJul 1, 2020

Augmented reality can improve online shopping, study finds

A recent study by Cornell University found that augmented reality (AR) technology can improve the online shopping experience by reducing returns and increasing consumer attitudes towards garments. While results were mixed, participants responded well to virtual try-on, with higher telepresence corresponding to more positive attitudes.

SourceCornell University·JournalJournal of Fashion Marketing and Management·DateMay 27, 2020

A soft touch for robotic hardware

Researchers developed soft robotic technology using reservoir computing, enabling flexible control of pneumatic artificial muscles. This innovation may lead to wearable rehabilitation devices, biomedical robots, and remote-sensing applications, all with improved safety and adaptability.

Training linked to stronger promotion chances for women in IT over work performance

A new study found that training plays a crucial role in promotions for women in the tech industry, bypassing traditional notions of work performance. Women are more likely to be promoted due to their participation in training programs, highlighting the importance of equal opportunities in overcoming biases.

SourceInstitute for Operations Research and the Management Sciences·JournalInformation Systems Research·DateApr 29, 2020