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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 ...

Energy & Green Tech

Concrete 'battery' now packs 10 times the power

Concrete already builds our world, and now it's one step closer to powering it, too. Made by combining cement, water, ultra-fine carbon black (with nanoscale particles), and electrolytes, electron-conducting carbon concrete ...

Engineering

Battery cathode recycling achieved with single-step process

A new battery recycling method developed by Illinois Grainger engineers removes scarce, expensive metals from old battery cathodes and coats them onto new cathodes in a single step. The result is significantly more affordable, ...

Business

How atmospheric water harvesting can be scaled

Water scarcity is a huge global issue. More than 2 billion people lack access to safe drinking water—a situation set to worsen due to climate change, which fuels longer and more severe droughts. As reservoirs shrink, groundwater ...

Robotics

Fidget-controlled robots show the power of metastability

Fidget poppers are an example of "bistability," as the popped circles rest in one of two stable states. Purdue University researchers have taken this idea to its extreme, building robots that can be preprogrammed and controlled ...