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3D printed tires and shoes that self-repair

This is a severed 3D-printed shoe pad repairing itself. Credit: An Xin and Kunhao Yu Instead of throwing away your broken boots or cracked toys, why not let them fix themselves? Researchers at the University of Southern California Viterbi School of Engineering have developed 3D-printed rubber materials that can do just that. Assistant Professor Qiming…

Using artificial intelligence to engineer materials’ properties

Introducing a small amount of strain into crystalline materials, such as diamond or silicon, can produce significant changes in their properties, researchers have found. The mechanical strain is represented here as a deformation in the diamond's shape. Credit: Chelsea Turner, MIT Applying just a bit of strain to a piece of semiconductor or other crystalline…

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...

Miracle Material Put to the Test

When German mineralogist Gustav Rose stood on the slopes of Russia's Ural Mountains in 1839 and picked up a piece of a previously undiscovered...

Stable Light From Intentionally Squashed Quantum Dots

Intentionally "squashing" colloidal quantum dots during chemical synthesis creates dots capable of stable, "blink-free" light emission that is fully comparable with the light produced...

‘Realistic’ new model points the way to more efficient and profitable...

A new computational model could potentially boost efficiencies and profits in natural gas production by better predicting previously hidden fracture mechanics. It also accurately...

Chirality in ‘real-time’

In nature, certain molecules with the same chemical composition, can exist in two different shapes that are mirrors images of each other, much like...

Bioinspired nanoscale drug delivery method developed by WSU, PNNL researchers

Washington State University researchers have developed a novel way to deliver drugs and therapies into cells at the nanoscale without causing toxic effects that...

Saving energy by taking a close look inside transistors

Researchers at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have developed a simple yet accurate method for finding defects in the latest generation of silicon carbide transistors. This...

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