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KAIST's li-fi - achieves 100 times faster speed and enhanced security of wi-fi​

Researchers at KAIST have created a new Li-Fi platform that offers speeds up to 224 Gbps and enhances security through on-device encryption. The device uses eco-friendly quantum dots and demonstrates improved brightness and efficiency, opening up new possibilities for ultra-high-speed data communication.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalAdvanced Materials·TypeExperimental study·DateJun 25, 2025

The buried treasure in your old smartphone

Researchers at Texas A&M University are developing a new method to recover rare earth elements from old electronics, such as tablets and phones, using solid-phase extraction technology. This method aims to reduce energy use, cut down on solvents, and streamline the process, making it more environmentally friendly and commercially viable.

Wireless communication technology for training communication networks

Researchers from China developed a wireless train communication network that demonstrates excellent performance in high-speed railway environments. The system, which integrates LoRa and GNSS technologies, offers lower cabling complexity and maintenance costs while providing greater flexibility for upgrades and fault recovery.

SourceKeAi Communications Co., Ltd.·JournalHigh-speed Railway·TypeData/statistical analysis·DateJan 27, 2025

A Sustainable Development Goal for space?

Experts propose an 18th SDG to protect Earth's orbit from accumulating debris, citing the need for global consensus and mechanisms for enforcement. The proposal builds on earlier calls for a legally-binding treaty to safeguard the planet's orbital environment.

SourceUniversity of Plymouth·JournalOne Earth·TypeSystematic review·DateJan 9, 2025

Building better infrared sensors

Researchers at Aalto University developed a new type of infrared photodiode that is 35% more responsive at 1.55 µm than existing germanium-based components. The new device can be manufactured using current production techniques, making it highly practical for adoption in various technologies.

SourceAalto University·JournalLight Science & Applications·DateJan 2, 2025

Charge your phone just by moving your body

Researchers at the University of Waterloo have created a tiny, wearable generator that can charge laptops and power smartphones using body vibrations. The device uses piezoelectric materials to generate electricity efficiently and cost-effectively.

SourceUniversity of Waterloo·JournalNature Communications·TypeExperimental study·DateNov 20, 2024

Not sure how to stand out as a leader on Zoom calls? It starts with how you communicate, new study shows

A new study by Binghamton University researchers found that virtual team members who receive inspiring responses from others are more likely to be viewed as emergent leaders. To become an effective leader in a virtual setting, it's essential to pay attention to how the audience responds to your message and support others' ideas.

SourceBinghamton University·JournalAcademy of Management Proceedings·DateAug 27, 2024

Women at risk of ‘digital overload’ – new research reveals

A new study by Lancaster University highlights that women are more likely than men to experience 'digital overload' and burnout due to their greater use of digital technologies in both work and family lives. The research emphasizes the need for gender-egalitarian work-from-home arrangements and policies to address this issue.

SourceLancaster University·JournalCommunity Work & Family·TypeData/statistical analysis·DateAug 8, 2024

Key electronic device developed for the massive arrival of 6G networks

Researchers at Universitat Autonoma de Barcelona have developed a telecommunications switch capable of operating at high frequencies with lower power consumption than current devices. The switch uses non-volatile material hBN, allowing it to activate its ON or OFF state with an electrical voltage pulse instead of a constant signal.

SourceUniversitat Autonoma de Barcelona·JournalNature Electronics·TypeExperimental study·DateJul 9, 2024

World record 402 Tb/s transmission in a standard commercially available optical fiber

A team at NICT set a new world record for data-rate transmission in a standard optical fiber, reaching 402 Tb/s and increasing the aggregate bandwidth to 37.6 THz. The demonstration used novel technologies to access new wavelength regions, enabling future optical communication infrastructure to meet growing demands.

Videoconferencing gets older adults moving as health lessons put to practical use

A 12-week health education program using videoconferencing software showed improved physical activity and adherence to health advice compared to a control group. The study suggests that videoconferencing can be an effective tool for promoting sustainable behavioral changes among older adults, regardless of location or distance.

SourceOsaka Metropolitan University·JournalJournal of Aging and Physical Activity·TypeRandomized controlled/clinical trial·DateJun 4, 2024

To 6G and beyond: Penn engineers unlock the next generation of wireless communications

Researchers at Penn Engineering have developed an adjustable filter that can prevent interference and enable the use of higher-frequency bands in wireless communications. The filter, made from a unique material called yttrium iron garnet, is tiny and requires minimal power, making it suitable for future mobile devices.

SourceUniversity of Pennsylvania School of Engineering and Applied Science·JournalNature Communications·TypeExperimental study·DateMay 24, 2024

UC3M coordinates a European scientific project to advance 6G multi-antenna technologies

The MiFuture project aims to develop ultra-massive MIMO technology for future cell-free heterogeneous networks, enabling innovative applications such as telesurgery and holographic virtual meetings. Fifteen PhD students will be funded to complete their doctoral studies and generate highly qualified researchers in this field.

SourceUniversidad Carlos III de Madrid·TypeComputational simulation/modeling·DateMay 17, 2024