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Flags that generate energy from wind and sun

Scientists have created flags that can generate electrical energy using wind and solar power. The novel wind and solar energy-harvesting flags have been developed using flexible piezoelectric strips and flexible photovoltaic cells. Credit: Dr. Mostafa Nabawy, The University of Manchester Scientists have created flags that can generate electrical energy using wind and solar power. The…

Millions of tons of plastic waste could be turned into clean...

A chemical conversion process developed at Purdue University allows researchers to turn recycled shopping bags into pellets into oil as shown in the bottle being held by Linda Wang, the Maxine Spencer Nichols Professor in the Davidson School of Chemical Engineering. Using distillation, that oil is separated into a gasoline-like fuel in the bottle in…

Research details sticky situations at the nanoscale

At very small scales, adhesive forces are dominant. In a finding that could be useful in nanoscale engineering, new research shows how minute amounts of surface roughness can influence stickiness. Credit: Kesari Lab / Brown University Brown University researchers have made a discovery about the way things stick together at tiny scales that could be…

Green water-purification system works without heavy metals or corrosive chemicals

This photo shows a concentrator where samples were placed. Credit: Dan Wang Scientists at the Institute of Process Engineering (IPE) at the Chinese Academy of Sciences in Beijing and Yangzhou University (YZU) in Jiangsu have developed an effective and energy-efficient technique for purifying water by using graphitic carbon nitride sheets. Their prototype, presented February 7…

Artificial bug eyes

Single lens eyes, like those in humans and many other animals, can create sharp images, but the compound eyes of insects and crustaceans have...

Mechanical engineers develop process to 3D print piezoelectric materials

The piezoelectric materials that inhabit everything from our cell phones to musical greeting cards may be getting an upgrade thanks to work discussed in...

The Race to Reveal Antimatter’s Secrets

A laboratory at CERN hosts the only usable source of antiprotons, the proton’s antimatter counterpart. In a high-ceilinged hangar at CERN, six rival experiments are...

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