Materials

A New Process for Turning CO2 into Sustainable Fuel

A process of heating carbon nitride to the required degree of crystallinity, maximizing the functional properties of this material for photocatalysis.

Products of Tomorrow

See the products of tomorrow, including: a new metamaterial that takes advantage of the non-reciprocal magnetoelectric (NME) effect; fully 3D-printed, three-dimensional solenoids; and a freeze-resistant hydration system.

Origami-Inspired Medical Patch Seals Internal Injuries

Taking inspiration from origami, MIT engineers have now designed a medical patch that can be folded around minimally invasive surgical tools and delivered through airways, intestines, and other narrow spaces, to patch up internal injuries.

4D Printing of Smart Materials with Electromechanical Properties

Researchers at Universidad Carlos III de Madrid (UC3M) have created software and hardware for a 4D printer with applications in the biomedical field.

Regolith-Polymer 3D Printing

Recognizing the need for in-situ resource utilization (ISRU) to support long-duration human missions to the Moon and Mars, NASA’s Kennedy Space Center and Sidus Space have developed a novel three-dimensional print head apparatus using regolith-polymer mixtures as a building material.

New Polymer Coating Could Boost EV Batteries

Researchers at Lawrence Berkeley National Laboratory (Berkeley Lab) have developed a conductive polymer coating — called HOS-PFM — that could enable longer lasting, more powerful lithium-ion (Li-ion) batteries for electric vehicles.

New Fuel Cell Architecture Uses Nanowires for Durability

A promising, more durable fuel cell design could help transform heavy-duty trucking and other clean fuel cell applications.

Conductive Carbon Fiber Polymer Composite

Inventors from NASA Langley and NASA Ames have created a new type of carbon fiber polymer composite that has a high thermal conductivity.

How Adhesives Address the Challenges of Manufacturing Microbatteries

Currently, researchers are exploring the use of adhesives in combination with laser-cut gasket materials to deliver maximum energy density, miniaturization, and while maintaining a high degree of hermetic integrity to assure long-lived operation and efficiency.

Tiny, Fully Functional Water-Strider and Mini-Bug Robots

Reporting on their work in the proceedings of the IEEE Robotics and Automation Society’s International Conference on Intelligent Robots and Systems, the mini-bug weighs in at eight milligrams, while the water strider weighs 55 milligrams. Both can move at about six millimeters a second.

Liquid Crystals Hold the Key to Shapeshifting Robots

Robots and cameras of the future could be made of liquid crystals, thanks to a new discovery that significantly expands the potential of the chemicals already common in computer displays and digital watches. The findings are a simple and inexpensive way to manipulate the molecular properties of liquid crystals with light exposure.

Snail-Inspired Robot Could Scoop Ocean Microplastics

Inspired by a small and slow snail, scientists have developed a robot prototype that may one day scoop up microplastics from the surfaces of oceans, seas, and lakes.

New Cathode Material for Sodium-Ion Batteries

Researchers at the U.S. Department of Energy’s Argonne National Laboratory have invented and patented a new cathode material that replaces lithium ions with sodium and would be significantly cheaper.

Cobalt-Free Batteries Could Power EVs of the Future

Many electric vehicles are powered by batteries that contain cobalt — a metal that carries high financial, environmental, and social costs. MIT researchers have now designed a battery material that could offer a more sustainable way to power electric cars. The new lithium-ion (Li-ion) battery includes a cathode based on organic materials, instead of cobalt or nickel (another metal often used in Li-ion batteries).

Improving and Increasing Energy Density of Batteries

When it comes to making batteries that last longer, a team of researchers including engineers at Brown University and Idaho National Laboratory believes the key might be in how things get clean — specifically how soap works in this process.

How Much Do You Know About Materials?

Materials science has led to breakthroughs in medicine, renewable energy, and nanotechnology, with the potential for other revolutionary applications. How much do you know about materials science? Find out with this quiz.

Coherent Establishes 6-inch InP Wafer Fabrication Capability

Coherent has established what the company describes as the "world's first capability for 6-inch indium phosphide (InP) wafer fabrication." The compound semiconductor and...

Structurally Healable, Highly Conductive New Cathode for Solid-State Lithium-Sulfur Batteries

Engineers at the University of California San Diego have developed a new cathode material for solid-state lithium-sulfur batteries that is electrically conductive and structurally healable — features that overcome the limitations of these batteries’ current cathodes.

Squishy, Metal-Free Magnets Power Robots and Guide Medical Implants

“Soft robots,” medical devices and implants, and next-generation drug delivery methods could soon be guided with magnetism — thanks to a metal-free magnetic gel...

3D Ice Printing Artificial Blood Vessels

New research shows the possibility of using 3D ice printing to help create structures that resemble blood vessels in the body. 3D ice printing generally involves adding a stream of water to a very cold surface.

Rapidly Printing with Liquid Metal

MIT researchers say their technique, liquid metal printing (LMP), is at least 10 times faster than a comparable metal additive manufacturing process. It involves depositing molten aluminum along a predefined path into a bed of tiny glass beads.

Additive Manufacturing Model-Based Process Metrics

Inventors at the NASA Langley Research Center have developed a novel method to model and ingest point-wise process data to evaluate an additive manufacturing build and its file for issues by highlighting potential anomalies or other areas where the build may have issues with fusion of the material.

Miniscule Robots of Metal and Plastic

A technique enables manufacturing of minuscule robots by interlocking multiple materials in a complex way.

Wireless Electronic ‘Stickers’ Gauge Forces Between Touching Objects

Engineers at the University of California San Diego have developed electronic “stickers” that measure the force exerted by one object upon another. The force stickers are wireless, run without batteries and fit in tight spaces. That makes them versatile for a wide range of applications.

Making Conductive, Biodegradable Wires from Designed Proteins

The miniscule wires — the size of transistors on silicon chips or one thousandth of the breadth of the finest human hair — are made completely of natural amino acids and heme molecules, found in proteins such as hemoglobin, which transports oxygen in red blood cells.

First Transformable Nanoscale Electronic Devices

The nanoscale electronic parts in devices like smartphones are solid, static objects that once designed and built cannot transform into anything else. But a team from University of California Irvine has reported the discovery of nanoscale devices that can transform into many different shapes and sizes even though they exist in solid states.