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Hi Tech & Innovation

Unhackable metasurface holograms: Security technology can lock information with light color and distance

A research team led by Professor Junsuk Rho at POSTECH (Pohang University of Science and Technology) has developed a secure hologram platform that operates solely based on the wavelength of light and the spacing between metasurface ...

Engineering

Your future home might be framed with printed plastic

The plastic bottle you just tossed in the recycling bin could provide structural support for your future house. MIT engineers are using recycled plastic to 3D print construction-grade beams, trusses, and other structural ...

Engineering

Novel approach to a key biofuel production step captures an elusive energy source

Plants grown for biofuel have the potential to power our travel industry, but an important fraction of their chemical power has remained stubbornly difficult to recover. New research from the Center for Advanced Biofuel and ...

Engineering

Octopus-inspired 'smart skin' uses 4D printing to morph on cue

Despite the prevalence of synthetic materials across different industries and scientific fields, most are developed to serve a limited set of functions. To address this inflexibility, researchers at Penn State, led by Hongtao ...

Technology news

Internet

How the web is learning to better protect itself

More than 35 years after the first website went online, the web has evolved from static pages to complex interactive systems, often with security added as an afterthought. To mitigate risks, developers use security headers ...

Energy & Green Tech

Oxygen-modified graphene filters boost natural gas purification

As we shift toward more sustainable fuels, natural gas and biogas, which mainly contain methane (CH4), have become important sources of energy and raw materials for chemical production. However, these gases also contain impurities ...

Machine learning & AI

OpenClaw's AI agent does everything, even social media

Meet OpenClaw: the AI assistant that promised to be your dream intern, terrified cybersecurity experts, and now thrives on chatbot-only social media—all in just a few weeks.

Computer Sciences

Does AI understand word impressions like humans do?

By now, it's no secret that large language models (LLMs) are experts at mimicking natural language. Trained on vast troves of data, these models have proven themselves capable of generating text so convincing that it regularly ...

Hi Tech & Innovation

New AI system fixes 3D printing defects in real time

Additive manufacturing has revolutionized manufacturing by enabling customized, cost-effective products with minimal waste. However, with the majority of 3D printers operating on open-loop systems, they are notoriously prone ...

Robotics

A mathematical framework for optimizing robotic joints

Consider the marvelous physics of the human knee. The largest hinge joint in the body, it has two rounded bones held together by ligaments that not only swing like a door, but also roll and glide over each other, allowing ...

Robotics

Training four-legged robots as if they were dogs

Over the next decades, robots are expected to make their way into a growing number of households, public spaces, and professional environments. Many of the most advanced and promising robots designed to date are so-called ...

Computer Sciences

Fast traffic algorithm could improve real-time traffic forecasts

Everyone hates traffic. Big cities in particular are plagued by an overabundance of vehicles, turning a simple crosstown jaunt into an odyssey during rush hour. Part of the problem is that traffic is incredibly complex, and ...

Engineering

Decoding the sounds of battery formation and degradation

Before batteries lose power, fail suddenly, or burst into flames, they tend to produce faint sounds over time that provide a signature of the degradation processes going on within their structure. But until now, nobody had ...

Hardware

Silent deep bass: Wearable audio you can feel

Researchers at University of Tsukuba have developed a portable, silent subwoofer that combines electrical muscle stimulation with low-frequency vibrations. This device enables users to physically feel deep bass in virtual ...

Engineering

Glass-like state leads to advancements in cryopreservation

Cryopreservation, or preserving biological tissue by cooling it to subzero temperatures, may bring to mind works of science fiction. Yet, researchers have been working on this technology for nearly 100 years. For most of ...