Hi Tech & Innovation news

Engineering

Helmholtz resonance powers miniature boats and ultrasonic flying robots

When air is blown across the neck of a bottle, it doesn't just produce a pleasant tone: it also demonstrates a phenomenon called Helmholtz resonance. This occurs when airflow passing across an opening causes air trapped inside ...

Energy & Green Tech

Hybrid energy system: One roof for electricity, heating and cooling

Photovoltaic panels generate electricity, solar thermal collectors provide heat, while cooling is usually supplied by air conditioning systems that themselves consume electricity. As a result, buildings require different ...

Telecom

AI gives tomorrow's wireless networks a clearer voice

Anyone who has struggled through a poor phone call knows the frustration of missing half a conversation. Now researchers at Queen Mary University of London, led by Paul Anthony Haigh, have developed an artificial intelligence ...

Engineering

Three holographic layers steer red, green and blue light for brighter AR displays

Researchers have developed a full-color near-eye display that uses three stacked holographic gratings, each engineered to direct red, green or blue light. The new design could help advance compact, energy-efficient augmented ...

Hi Tech & Innovation

When human knowledge has been exhausted, where will AI get its data?

As AI-powered large language models, or LLMs, grow in power and sophistication, where will their architects turn when someday—as experts predict—algorithms outgrow the limits of general human knowledge and begin craving information ...

Hi Tech & Innovation

AI-powered system can predict how modern house fires behave

A team of researchers is harnessing artificial intelligence (AI), data science and advanced mathematics to better predict how fires behave in modern homes, work that could ultimately help save lives during emergencies.

Electronics & Semiconductors

Innovative design unlocks resilient semiconductor materials

Semiconductors such as silicon are the cornerstone of today's essential technologies, but the variety of materials available to power devices is limited. While metal oxides are durable, only a small subset are semiconducting ...

Energy & Green Tech

ZiaCore microreactor successfully achieves criticality

The emerging technology of advanced nuclear microreactors offers solutions to many modern energy challenges. The ZiaCore design, a low-enriched uranium dioxide-fueled microreactor developed by Los Alamos National Laboratory, ...

Consumer & Gadgets

Prototype glasses can turn infrared into color vision

The human eye, as good as it is, misses out on so much of the world because it is limited in what it can perceive. It can't see X-rays, ultraviolet rays or infrared light. While X-ray goggles are still the stuff of science ...

Energy & Green Tech

Seaweed-based ingredient helps turn dirt into 3D-printed walls

An ingredient that gives ice cream a creamier texture could make natural earthen materials like clay and sand easier to 3D print into durable structures, according to new research led by scientists at the University of Colorado ...

Engineering

Infrared filter could help detect pollution and disease

Researchers have developed a tiny, electrically tunable infrared filter that could help shrink bulky thermal sensing systems onto portable chips—a technology that could lead to handheld pollution detectors, compact multispectral ...

Hi Tech & Innovation

AI museum brings sights, sounds and smells of the rainforest

The squawks of macaws, the smell of wet earth after rain and a swirl of colors will transport visitors from a Los Angeles museum to the heart of the Amazon rainforest—or rather, an AI version of it.

Hi Tech & Innovation

Paint it black(er): A new way to make cars darker than ever

Scientists have developed a practical way to make ultra-black coatings to meet demand for trendy, luxury vehicles in China. The coating, described in a paper published in Matter & Light, is made up of a composite of carbon ...

Hi Tech & Innovation

Innovations on show at Paris Vivatech fest

Around 15,000 startups from around Europe and beyond are showing off their wares at the VivaTech trade show in Paris until Saturday.