Nanophysics

Free-space nanoprinting beyond optical limits to create 4D functional structures

Two-photon polymerization is a potential method for nanofabrication to integrate nanomaterials based on femtosecond laser-based methods. Challenges in the field of 3D nanoprinting include slow layer-by-layer printing and ...

Earth Sciences

Discovery of invisible nutrient discharge on Great Barrier Reef raises concerns

Scientists using natural tracers off Queensland's coast have discovered the source of previously unquantified nitrogen and phosphorous that are having a profound environmental impact on the Great Barrier Reef.

Pulsars may make dark matter glow

The central question in the ongoing hunt for dark matter is: what is it made of? One possible answer is that dark matter consists of particles known as axions. A team of astrophysicists, led by researchers from the universities ...

Can chatbots be therapists? Only if you want them to be

A manager at artificial intelligence firm OpenAI caused consternation recently by writing that she just had "a quite emotional, personal conversation" with her firm's viral chatbot ChatGPT.

New Alzheimer's disease pathways identified

Dementia, which includes Alzheimer's disease, currently affects around 1.8 million people in Germany. The exact cause has not yet been clarified, but genetic factors play a significant role in the development of the disease. ...

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Tech Xplore

A 130g soft robot gripper that can lift 100kg

Utilizing soft, flexible materials such as cloth, paper, and silicone, soft robotic grippers act like a robot's hand to perform functions such as safely grasping and releasing objects. Unlike conventional rigid material grippers, ...

Researchers 3D print moon rover wheel prototype with NASA

Researchers at the Department of Energy's Oak Ridge National Laboratory, in collaboration with NASA, are taking additive manufacturing to the final frontier by 3D printing the same kind of wheel as the design used by NASA ...

Deforestation down in Brazil's Amazon

Deforestation in the Brazilian Amazon fell by 59 percent in September compared to the same month last year, official data showed, confirming a positive trend that began after President Luiz Inacio Lula da Silva returned to ...

Indian flood toll up to 77 as waters recede

At least 77 people are confirmed dead in the floods that hit India's northeast, authorities said Sunday, with destroyed roads and bridges leaving thousands more still cut off despite waters receding.