<b>Flexible, highly efficient multimodal energy harvesting</b>

Flexible, highly efficient multimodal energy harvesting

A 10-fold increase in the ability to harvest mechanical and thermal energy over standard piezoelectric composites may be possible using a piezoelectric ceramic foam supported by a flexible polymer support, according to Penn State researcher...
<b>Wool-like material can remember and change shape</b>

Wool-like material can remember and change shape

As anyone who has ever straightened their hair knows, water is the enemy. Hair painstakingly straightened by heat will bounce back into curls the minute it touches water. Why? Because hair has shape memory. Its material properties allow it...
<b>A single-application treatment for ear infections that doesn’t need refrigeration  </b>

A single-application treatment for ear infections that doesn’t need refrigeration  

“Single Application Cold-Chain Independent Drug Delivery System for Outer Ear Infections” ACS Biomaterials Science Engineering Outer ear infections, which affect millions of people each year, are typically caused by the bacteria Pseudom...
<b>Machine learning reveals vulnerabilities in 3D-printed carbon-fiber composites</b>

Machine learning reveals vulnerabilities in 3D-printed carbon-fiber composites

Key to the strength and versatility of these hybrid, layered materials in high-performance applications is the orientation of fibers in each layer. Recent innovations in additive manufacturing (3D printing) have made it possible to finetune...
<b>Chaos generated with a nanoscale magnetic vortex</b>

Chaos generated with a nanoscale magnetic vortex

Top: (Left) Schematic of a nanocontact vortex oscillator. (Right) Reversal of the vortex core leads to change in sense of vortex gyration around the nanocontact. / Bottom: Vortex trajectories in the phase space of the dynamical system illus...
<b>Giant nanomachine aids the immune system</b>

Giant nanomachine aids the immune system

Credit: CC0 Public Domain Cells that are infected by a virus or carry a carcinogenic mutation, for example, produce proteins foreign to the body. Antigenic peptides resulting from the degradation of these exogenous proteins inside the cell...
How to use cylindrical roller bearings

How to use cylindrical roller bearings

The rolling element is a centripetal roller bearings of cylindrical rollers. The internal structure of the cylindrical roller bearing adopts rollers arranged side by side. A spacer cage or spacer is installed between the rollers to prevent t...
<b>Researchers overcome barriers to functionalization of bio-inspired solar energy harvesting materials</b>

Researchers overcome barriers to functionalization of bio-inspired solar energy harvesting materials

Inspired by nature, researchers at The City College of New York (CCNY) can demonstrate a synthetic strategy to stabilize bio-inspired solar energy harvesting materials. Their findings, published in the latest issue of  “Nature Chemistry,”...
<b>Brain-inspired electronic system could vastly reduce AI's carbon footprint</b>

Brain-inspired electronic system could vastly reduce AI's carbon footprint

Extremely energy-efficient artificial intelligence is now closer to reality after researchers found a way to improve the accuracy of a brain-inspired computing system....