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Looks amazingly similar to a real nugget: 18-​carat gold with latex as the base material. Image credit: ETH Zurich / Peter Rüegg
Scientists create a lightweight 18-​carat gold composite


Gold is heavy. A solid gold watch is very luxurious, but you wouldn’t wear it for too long…
LLNL team studies link between residual stress and mechanical properties of 3D-printed stainless steel

October 9, 2019

The buildup of microscopic residual stresses that occur during the process of 3D printing metal parts can lead…
PNNL’s Self-Healing Cement Could Transform Geothermal Industry

May 6, 2019

Research shows 87 percent reduction in cement fractures. A self-healing cement developed by PNNL can outperform conventional concrete,…
Making the Blade Grade: Team Evaluates Steel against Composites for Turbines

March 27, 2019

Computation, lab-scale turbine reveals composite blades may generate more power but require higher hydraulic heads. Roughly 160 of…
Materials Testing Streamlined Thanks to System Based on Artificial Neural Networks

February 6, 2019

In efforts to reduce the cost and time demands of testing and optimising advanced composite materials, researchers at…
A new spray can heal damaged ships in minutes

January 14, 2019

Navy ships are extremely technologically advanced. They are fast, manoeuvrable and feature the latest and greatest weaponry. However,…
New composite advances lignin as a renewable 3D printing material

December 21, 2018

Scientists at the Department of Energy’s Oak Ridge National Laboratory have created a recipe for a renewable 3D…
Barely scratching the surface: A new way to make robust membranes

December 13, 2018

Argonne researchers have demonstrated a new technique’s viability for membranes. Whether it’s tap water or a cup of…
Borophene Advances as 2-D Materials Platform

December 10, 2018

Atom-thin sheets of boron containing large single crystals could provide foundation for fabricating next-generation electronics Borophene—two-dimensional (2-D) atom-thin-sheets…
Lab develops metamaterials that change mechanical properties under magnetic fields

December 8, 2018

Lawrence Livermore National Laboratory (LLNL) researchers have introduced a new class of metamaterials that can nearly instantly respond…
Self-sensing materials are here

November 17, 2018

Next-generation composites may monitor their own structural health Carbon fiber composites—lightweight and strong—are great structural materials for automobiles,…
Scientists at Rice led the effort to develop the material that, when combined with carbon nanotubes, is more than 1,700 percent stiffer than pure epoxy. Image credit: Rouzbeh Shahsavari Group
Epoxy compound gets a graphene bump

November 15, 2018

Rice University scientists have built a better epoxy for electronic applications. Epoxy combined with “ultrastiff” graphene foam invented in the…
NASA Team Investigates Ultrafast Laser Machining for Multiple Spaceflight Applications

November 3, 2018

An ultrafast laser that fires pulses of light just 100 millionths of a nanosecond in duration could potentially…
NASA Looking to Tiny Technology for Big Payoffs

October 31, 2018

NASA is advancing technology that could use large amounts of nanoscale materials to launch lighter rockets and spacecraft…
Small business recycling ventures propelled by Sandia engineering

September 28, 2018

Local assistance aims to help companies make national impact in energy and materials Along Route 66 in rural,…
To Improve Auto Coatings, New Tests Do More Than Scratch the Surface

September 21, 2018

Know that sickening feeling when you exit the grocery store and find your car has been banged up…
Researchers take first 3D images of microscopic hydrogen-embrittled cracks in metal

September 20, 2018

Microfractures in metal alloys, though impossible to see with the naked eye, can easily spread when exposed to…
Most wear-resistant metal alloy in the world engineered at Sandia National Laboratories

August 18, 2018

If you’re ever unlucky enough to have a car with metal tires, you might consider a set made…
Putting the heat on an additive-manufactured alloy

August 1, 2018

As new techniques in additive manufacturing (AM), more popularly known as 3-D printing, become more versatile and applicable…
Pictures of success in 3-D printing

July 29, 2018

Across the U.S. Department of Energy’s (DOE) Argonne National Laboratory, teams are tackling different scientific problems associated with…
Creature feature: Twisting cracks impart superhero toughness to animals

June 25, 2018

WEST LAFAYETTE, Ind. – Super-resilient materials found in the animal kingdom owe their strength and toughness to a…
X-ray peek at curly stone fibres

June 11, 2018

The basic function of the Rockwool Group’s main product seems simple enough. Tiny stone fibres are woven together so that…
First 3-D printed wind-blade mold, energy-saving nanoparticles earn Sandia national awards

April 26, 2018

Sandia National Laboratories has won the Federal Laboratory Consortium for Technology Transfer’s national 2018 Technology Focus Award for…
Incorporating Graphene into Concrete makes it Twice as Durable and Four Times More Resistant to Water

April 26, 2018

Researchers at the University of Exeter have recently succeeded in “enriching” one of the oldest building materials —…
Nature’s toughest substances decoded

December 5, 2017

How a material breaks may be the most important property to consider when designing layered composites that mimic…
Breakthrough in 3D printed marine grade stainless steel

October 31, 2017

“Marine grade” stainless steel is valued for its performance under corrosive environments and for its high ductility —…
Deformation experiments reveal insight into material changes during shock compression

October 28, 2017

For the first time, scientists have reported in-situ diffraction experiments measuring deformation twinning at the lattice level during…
Patient receives 3D-printed sternum and rib cage transplant

October 19, 2017

A partnership between CSIRO and Australian medical device company Anatomics has led to the first successful implantation of…
Full Circle: NASA to Demonstrate Refabricator to Recycle, Reuse, Repeat

August 28, 2017

In 2014, NASA made important progress toward the in-space manufacturing necessary for deep space exploration by “printing” tools…
Nanoscale ‘Conversations’ Create Complex, Multi-Layered Structures

December 25, 2016

New technique leverages controlled interactions across surfaces to create self-assembled materials with unprecedented complexity UPTON, NY—Building nanomaterials with…
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86,881 science & technology articles

Most Popular Articles

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