Butterflies inspire 3D printed artificial colors

Feb 09, 2022 (Nanowerk News) ETH Zurich researchers have created artificial colours by 3D printing certain nanostructures inspired by those of a butterfly (Advanced Materials, "Replicating the Cynandra opis Butterfly's Structural Color for Bioinspired Bigrating Color Filters"). This principle can be used in the future to produce colour screens. The...

Tiny electrical vortexes bridge gap between ferroelectric and ferromagnetic materials

Feb 09, 2022 (Nanowerk News) Ferromagnetic materials have a self-generating magnetic field, ferroelectric materials generate their own electrical field. Although electric and magnetic fields are related, physics tells us that they are very different classes of material. Now the discovery by University of Warwick-led scientists of a complex electrical ‘vortex’-like...

Nanopatch antennas made with liquid metal trap light to identify biological and chemical molecules

Feb 09, 2022 (Nanowerk News) The proliferation of point-of-care testing, from at-home blood glucose meters to COVID-19 rapid tests, is accelerating and improving medical care. Continuing to upgrade the sensing technology that is fueling the growth of these products, however, is becoming increasingly challenging. Some optical sensing chips, for example,...

Sustainable batteries roadmap to 2030 and beyond

Feb 09, 2022 (Nanowerk Spotlight) Batteries are a key technology for battling carbon dioxide emissions from the transport, power, and industry sectors. To be effective towards that goal, batteries must exhibit ultra-high performance beyond their capabilities today: energy and power performance approaching theoretical limits, outstanding lifetime and reliability, and enhanced...

How Mars lost its oceans

Feb 08, 2022 (Nanowerk News) It has long been known that Mars once had oceans due in part to a protective magnetic field similar to Earth’s. However, the magnetic field disappeared, and new research may finally be able to explain why. Researchers recreated conditions expected in the core of Mars...