Materials & Coatings

Ultra-Sensitive Lead Detector Could Improve Water Quality Monitoring

Engineers have developed an ultra-sensitive sensor made with graphene that can detect extraordinarily low concentrations of lead ions in water. The device achieves a record limit of detection of lead down to the femtomolar range, which is one million times more sensitive than previous sensing technologies. Read on to learn more.

Optimizing Fluid Sensors for Industrial Process Measurement

When processing pharmaceutical products, how do you tell if a fluid is of high quality? If you are working with crude oil, how do you know how much you are extracting? If you are transporting water, how do you know the flow rate? Such questions, which impact confidence and bottom lines for water, food, life sciences, and oil and gas companies, are addressed by the manufacturers of flowmeters that are installed in pipelines and other equipment. Read on to learn more.

Iron Could Be Key to Less Expensive, Greener Lithium-Ion Batteries

Researchers are hoping to spark a green battery revolution by showing that iron instead of cobalt and nickel can be used as a cathode material in lithium-ion batteries. Read on to learn more.

Synthetic Mini Motor with Enormous Power

Researchers have developed an artificial motor at the supramolecular level that can develop impressive power. The wind-up motor is a tiny ribbon made of special molecules. When energy is applied, the...

Using Mushrooms to Control Robots

By harnessing mycelia’s innate electrical signals, the researchers discovered a new way of controlling “biohybrid” robots that can potentially react to their environment better than their purely synthetic counterparts.

Bringing Circular Economy for Plastics One Step Closer to Reality

The chemical process can essentially vaporize plastics that currently dominate the waste stream and turn them into hydrocarbon building blocks for new plastics.

World’s Strongest Battery Paves Way for Light, Energy-Efficient Vehicles

When cars, planes, ships, or computers are built from a material that functions as both a battery and a load-bearing structure, the weight and energy consumption are...

A Shape-Shifting Metamaterial Inspired by Push Puppets

UCLA researchers have developed a new type of metamaterial, a material engineered to possess properties with applications for soft robotics, reconfigurable architectures, and space engineering.

Crafting Safe, Long-Cyclable Lithium Metal Batteries for High Temperatures

A research team has developed a new generation of lithium metal batteries, representing a significant advancement in the field. Their innovation centers on microcrack-free polymer electrolytes which promise extended lifespan and enhanced safety at elevated temperatures.

Swimming Microrobots Deliver Cancer-fighting Drugs to Metastatic Lung Tumors

Engineers at the University of California San Diego have developed microscopic robots, known as microrobots, capable of swimming through the lungs to deliver...

5Ws of Film-Balloon Soft Robots

A novel fabrication approach enables lightweight, untethered operation of soft robots with advanced biomimetic locomotion capabilities.

Products of Tomorrow

See the products of tomorrow, including a new type of glass with unique and even contradictory properties, a novel approach for actively controlling Dutch-roll oscillations of an eVTOL aircraft by using existing outboard propellers to dampen oscillations, and the world’s first practical titanium-sapphire laser on a chip.

New Membrane Mirrors for Large Space-Based Telescopes

Researchers have developed a new way to produce and shape large, high-quality mirrors that are much thinner than conventional space-telescope mirrors. The final product is even flexible enough to be rolled up and stored compactly inside a launch vehicle. Read on to learn more.

A Method to Accurately Center Quantum Dots Within Photonic Chips

Researchers have developed standards and calibrations for optical microscopes that allow quantum dots to be aligned with the center of a photonic component to within an error of 10 to 20 nanometers (about one-thousandth the thickness of a sheet of paper). Such alignment is critical for chip-scale devices that employ the radiation emitted by quantum dots to store and transmit quantum information. Read on to learn more.

3D Printing with an Unknown Material

This research could help to reduce the environmental impact of additive manufacturing, which typically relies on nonrecyclable polymers and resins derived from fossil fuels. Read on to learn more.

RTV Silicone Sealing Method for Component Interfaces

The RTV sealing method may benefit terrestrial applications that may demand cure-in-place internal seals. The method could also innovate manufacturing processes for components by enhancing the speed of assembly while increasing seal integrity. Read on to learn more.

New Transistor Could Shrink Communications Devices on Smartphones

After announcing a ferroelectric semiconductor at the nanoscale thinness required for modern computing components, a University of Michigan team has demonstrated a reconfigurable transistor using that material. Read on to learn more.

Rapidly Testing Stretchable Sensors

Engineers have developed a new technique for making wearable sensors that enables medical researchers to prototype and test new designs much faster and at a far lower cost than existing methods. Read on to learn more.

Advanced Laser Cleaning Robotic Work Cells Turbocharge Industrial Processes

Enclosed robotic laser parts cleaning systems are poised to safely remove rust and contamination as well as condition surfaces at dramatically higher volumes and at lower cost than conventional methods. Read on to learn more about the process.

3D-Printed Actuators Can Move, Lock Soft Robots into New Shapes

Researchers have demonstrated miniature soft hydraulic actuators that can be used to control the deformation and motion of soft robots that are less than a millimeter thick.

Using Cold Sintering to Develop Recyclable, Rechargeable Batteries

Rechargeable solid-state lithium batteries are an emerging technology that could someday power cell phones and laptops for days with a single charge, but they are not environmentally friendly. A team of Penn State researchers may have solved this issue.

Mimicking 'Plant Power' Through Artificial Photosynthesis

According to the researchers, this proof-of-concept system could be adapted to help produce precursors for plastics or other chemical feedstocks, as well as scaled up to produce larger amounts of sustainable biofuels.

Pulling Carbon Dioxide Out of the Air

The team plans to integrate such CO2-capturing materials with its earlier porous sponge platform, which has been developed to remove environmental toxins including oil, phosphates, and microplastics.

New Methods in Preparing and Purifying Nanomaterials

Innovators at NASA’s Glenn Research Center have made several breakthroughs in treating hexagonal boron nitride (hBN) nanomaterials, improving their properties to supplant carbon nanotubes in many applications.

Oxygen-Free Chemical Vapor Deposition Method to Make Graphene

Engineers are poised to clean things up with an oxygen-free chemical vapor deposition (OF-CVD) method that can create high-quality graphene samples at scale. Their work directly demonstrates how trace oxygen affects the growth rate of graphene and identifies the link between oxygen and graphene quality for the first time.

VaCNT Makes Up a Promising Membrane Material

Researchers of Karlsruhe Institute of Technology and partners carried out steroid hormone adsorption experiments to study the interplay of forces in the small pores. They found that vertically aligned carbon nanotubes (VaCNT) of specific pore geometry and pore surface structure are suited for use as highly selective membranes.

Self-Cleaning Coatings for Space or Earth

Electrodynamic dust shields (EDSs) are a key method to actively clean surfaces by running high voltages (but low currents) through electrodes on the surface. The forces generated by the voltage efficiently remove built-up, electrically charged dust particles. Innovators have developed a new transparent EDS for removing dust from space and lunar solar cells among other transparent surfaces.