Nanoparticles from tattoos circulate inside the body, study finds

The elements that make up the ink in tattoos travel inside the body in micro and nanoparticle forms and reach the lymph nodes, according to a study published in Scientific Reports on 12 September by scientists from Germany ...

Modest levels of nanoparticle may harm brain cells

Even moderate concentrations of a nanoparticle used to whiten certain foods, milk and toothpaste could potentially compromise the brain's most numerous cells, according to a new study from the University of Nebraska-Lincoln.

Titanium powder used to 3D print automotive parts

(Phys.org) —To date, the 3D printing revolution has focused on the use of plastics – cheap printers' feedstock and high throughput. Until now 3D printing with metal has been prohibitively expensive because of the cost ...

A nanosized hydrogen generator

(Phys.org) —Researchers at the US Department of Energy's (DOE) Argonne National Laboratory have created a small scale "hydrogen generator" that uses light and a two-dimensional graphene platform to boost production of the ...

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