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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 ...

Robotics

A smelly snapshot of the current state of electronic noses for robots

Robots are getting better at sniffing out smells thanks to improvements in electronic noses (e-noses). A comprehensive review of the state of robot olfaction, published in the journal npj Robotics, has surveyed recent advances ...

Technology news

Machine learning & AI

Geometry behind how AI agents learn revealed

A new study from the University at Albany shows that artificial intelligence systems may organize information in far more intricate ways than previously thought. The study, "Exploring the Stratified Space Structure of an ...

Electronics & Semiconductors

Prototype LED as thin as wallpaper can glow like the sun

Light bulbs come in many shapes and styles: globes, twists, flame-like candle tips and long tubes. But there aren't many thin options. Now, researchers report in ACS Applied Materials & Interfaces that they have created a ...

Energy & Green Tech

High-performance supercapacitor made from upcycled water bottles

Lots of single-use water bottles made from poly(ethylene terephthalate) (PET) end up in landfills, but there's a growing interest in upcycling them instead. Researchers in Energy & Fuels report on new heat-based fabrication ...

Energy & Green Tech

How to reduce greenhouse gas emissions from ammonia production

Ammonia is one of the most widely produced chemicals in the world, used mostly as fertilizer, but also for the production of some plastics, textiles, and other applications. Its production, through processes that require ...