Hi Tech & Innovation news

Engineering

New design tool 3D-prints woven metamaterials that stretch and fail predictably

Metamaterials—materials whose properties are primarily dictated by their internal microstructure, and not their chemical makeup—have been redefining the engineering materials space for the last decade. To date, however, ...

Electronics & Semiconductors

Extending optical fiber's ultralow loss performance to photonic chips

Caltech scientists have developed a way to guide light on silicon wafers with low signal loss approaching that of optical fiber at visible wavelengths. This accomplishment paves the way for a new generation of ultra-coherent ...

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 ...

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 ...

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 ...

Energy & Green Tech

Electric eel biology inspires powerful gel battery

Power sources used in devices found in or around biological tissue must be flexible and nontoxic, while still powerful enough to support demanding technologies such as medical devices or soft robotics. To achieve this balance, ...

Hi Tech & Innovation

'The Matrix is everywhere': cinema bets on immersion

In a Los Angeles theater, a trench coat-wearing Neo bends backwards to dodge bullets that spiral over the viewer's head, as the sound of gunfire erupts from everywhere.

Hi Tech & Innovation

3D printing metal molds poised to accelerate US auto manufacturing

Recent advancements at the Department of Energy's Oak Ridge National Laboratory show that 3D-printed metal molds offer a faster, more cost-effective and flexible approach to producing large composite components for mass-produced ...

Consumer & Gadgets

Five things to do in virtual reality—and five to avoid

Open-heart surgery is a hard thing to practice in the real world, and airplane pilots cannot learn from their mistakes midair. These are some scenarios where virtual reality solves really hard problems, but the technology ...

Hi Tech & Innovation

Secure encryption and decryption with luminescent perovskites

To guarantee high data security, encryption must be unbreakable while the data remains rapidly and easily readable. A novel strategy for optical encryption/decryption of information has now been introduced in the journal ...

Electronics & Semiconductors

Cool computing—why the future of electronics could lie in the cold

Modern computer chips generate a lot of heat—and consume large amounts of energy as a result. A promising approach to reducing this energy demand could lie in the cold, as highlighted by a new Perspective article by an ...

Engineering

3D printers leave hidden 'fingerprints' that reveal part origins

A new artificial intelligence system pinpoints the origin of 3D printed parts down to the specific machine that made them. The technology could allow manufacturers to monitor their suppliers and manage their supply chains, ...