Scientists Have Invented Light-Up OLED Tattoos

An anonymous reader quotes a report from Gizmodo: Tattoos are usually considered a form of personal expression, but a team of researchers in Europe have created what they’re calling the world’s first light-emitting tattoo based on OLED screen technology that, besides presumably looking kind of cool, could also serve as a visible warning about potential health concerns. In a recently published…

Surround Sound From Lightweight Roll-To-Roll Printed Loudspeaker Paper

“Researchers from the fields of print media technology, chemistry, physics, acoustics, electrical engineering, and economics from six nations developed a continuous, highly productive, and reliable roll production of loudspeaker webs,” reports project manager Georg C. Schmidt. [For those unfamiliar with roll-to-roll processing, it is the process of creating electronic devices on a roll of flexible plastic or metal foil, which, among…

New study finds polyester fibers throughout the Arctic Ocean

A new study has found that pollution from microplastics is widespread in the Arctic Ocean, and 92% of those particles are minuscule synthetic fibers from our clothes. Source: https://earthsky.org/earth/polyester-fibers-arctic-ocean-microplastic-pollution…

Apple Researching Keyboards With Adaptive Displays on Each Key

Apple is researching keyboards with small displays on the keys to dynamically change the label on each key, according to a newly-granted patent filing. From a report: The filing is titled “Electronic devices having keys with coherent fiber bundles” and was granted to Apple by the U.S. Patent and Trademark Office on the final patent day of this year. The patent…

Print These Electronic Circuits Directly Onto Skin

An anonymous reader quotes a report from IEEE Spectrum: New circuits can get printed directly on human skin to help monitor vital signs, a new study finds. In the new study, researchers developed a way to sinter nanoparticles of silver at room temperature. The key behind this advance is a so-called a sintering aid layer, consisting of a biodegradable polymer paste…

Thin-Skinned Solar Panels Printed With Inkjet

An anonymous reader quotes a report from Phys.Org: Solar cells can now be made so thin, light and flexible that they can rest on a soap bubble. The new cells, which efficiently capture energy from light, could offer an alternative way to power novel electronic devices, such as medical skin patches, where conventional energy sources are unsuitable. Until now, ultrathin organic…

Algae’s ability to photosynthesise boosted by light-harvesting plastic

A technique that adds a polymer to freshwater algae has increased the plant’s ability to convert light into energy, which could lead to more efficient biofuels or help increase crop yields Source: https://www.newscientist.com/article/2253123-algaes-ability-to-photosynthesise-boosted-by-light-harvesting-plastic/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…

Can Tesla Build Cheaper Electric Cars With Advanced (and Cobalt-Free) Batteries?

“One of the main reasons we’re not all driving electric vehicles is the price,” argues a transportation writer in Forbes — explaining how Tesla hopes to finally change that: The company is placing a huge bet on rechargeable battery technology that doesn’t use cobalt. This is one of the main elements making lithium ion batteries so expensive. It’s also fraught with…

Power Pioneer Invents New Battery That’s 90% Cheaper Than Lithium-Ion

An anonymous reader quotes a report from Bloomberg: Lithium-ion batteries play a central role in the world of technology, powering everything from smartphones to smart cars, and one of the people who helped commercialize them says he has a way to cut mass production costs by 90% and significantly improve their safety. Hideaki Horie, formerly of Nissan Motor Co., founded Tokyo-based…

The Cutting Edge of 3D Printing: Chemicals Within Chemicals, and Printing Tissue In Bodies

Engineers at the University of California, Davis, have developed a new approach to 3D printing with potential applications in tissue engineering, soft robotics, and wearable technology — by repurposing the glass capillary microfluidic devices used in their lab to encapsulate one chemical inside droplets of another:
The resulting structure looks like a Pac-Man maze, with little dots of PEGDA droplets surrounded by…