Nanotechnology

Energy-Efficient Freshwater Generation System Inspired by Nature

A team of researchers is designing novel systems to capture water vapor in the air and turn it into liquid. University of Waterloo Professor Michael Tam and his Ph.D. students Yi Wang and Weinan Zhao have developed sponges or membranes with a large surface area that continually capture moisture from their surrounding environment. Read on to learn more.

Using Waste to Purify Water

Using waste to purify water may sound counterintuitive. But at TU Wien, this is exactly what has now been achieved: a special nanostructure has been developed to filter a widespread class of harmful dyes from water. Read on to learn more about it.

Using ‘Doughnut’ Beams to See Incredibly Small Objects

In a new study, researchers at CU Boulder have used doughnut-shaped beams of light to take detailed images of objects too tiny to view with traditional microscopes. The new technique could help scientists improve the inner workings of a range of “nanoelectronics,” including the miniature semiconductors in computer chips. Read on to learn more.

Stony Brook University Researchers Redefine Capacitor Behavior at the Nanoscale

Stony Brook University researchers led a new study published in Physical Review Letters that overturns long-standing assumptions about how capacitors operate when engineered at the nanoscale, offering a clearer scientific foundation for future nanoscale electronic devices. Read on to learn more.

Programmable Lego-Like Material Emulates Life’s Flexibility

Mechanical engineers at Duke University have demonstrated a proof-of-concept method for programming mechanical properties into solid Lego-like building blocks. By controlling the...

Holey Carbon Allotropes

Researchers at NASA have developed new methods to manufacture carbon materials (e.g., nanotubes, graphene) with holes through the graphitic surface of the particles. The methods generate materials with increased accessible surface area, increased functional groups at damage sites, and improved through-surface molecular transport properties.

Manufacturing the World's Tiniest Light-Emitting Diodes

Miniaturization ranks as the driving force behind the semiconductor industry. The tremendous gains in computer performance since the 1950s are largely due to the fact that ever smaller...

Scientists Create Superconducting Semiconductor Material

Scientists have long sought to make semiconductors that are also superconducting, thereby enhancing their speed and energy efficiency and enabling new quantum technologies. However,...

New Cooling Technique Could Make Computer Chips More Powerful

As more devices get piled onto computer chips to increase processing power capacity, heat generation becomes increasingly concentrated. This heat must be removed to keep chip...

An Electronic Fiber for Stretchable Sensing

The phrase ‘liquid metal’ may bring to mind something hazardous, like mercury or molten steel. But in the Laboratory of Photonic Materials and Fiber Devices (FIMAP) in EPFL’s School of...

Nanofibers Yield Stronger, Tougher Carbon Fiber Composites

Researchers at the U.S. Department of Energy (DOE)’s Oak Ridge National Laboratory (ORNL) have developed an innovative new technique using carbon nanofibers to enhance binding in carbon fiber and other fiber-reinforced polymer composites — an advance likely to improve structural materials for automobiles, airplanes and other applications that require lightweight and strong materials.

A New Magnetic Transistor for More Energy-Efficient Electronics

Transistors, the building blocks of modern electronics, are typically made of silicon. Because it’s a semiconductor, this material can control the flow of electricity in a...

A New Material That Could Change Electronics

A research team led by physicists Ming Yi and Emilia Morosan from Rice University has developed a new material with unique electronic properties that could enable more powerful and...

A New Window into Earth’s Upper Atmosphere

Between 50 and 100 kilometers (30-60 miles) above Earth’s surface lies a largely unstudied stretch of the atmosphere, called the mesosphere. It’s too high for airplanes and weather balloons,...

Multi-Robot Lab Racing to Discover the Next Quantum Dots

Researchers at North Carolina State University have unveiled Rainbow, a first-of-its-kind multi-robot self-driving laboratory that autonomously discovers high-performance quantum dots...

3D Printing Self-Heating Microfluidic Devices

MIT researchers have used 3D printing to produce self-heating microfluidic devices, demonstrating a technique which could someday be used to rapidly create cheap, yet accurate, tools to detect a host of diseases. Read on to learn more.

Tiny But Mighty: Next-Gen Transistors Hold Great Promise

As electronics become smaller, it is becoming increasingly difficult to continue scaling down silicon-based transistors. Now, a research team led by the Institute of Industrial...

New Tech May Lead to Smaller, More Powerful Wireless Devices

A new class of synthetic materials could herald the next revolution of wireless technologies, enabling devices to be smaller, require less signal strength and use less power.

Nanofibers Yield Stronger, Tougher Carbon Fiber Composites

Researchers at the U.S. Department of Energy (DOE)’s Oak Ridge National Laboratory (ORNL) have developed an innovative new technique using carbon nanofibers to enhance binding in carbon fiber and other fiber-reinforced polymer composites — an advance likely to improve structural materials for automobiles, airplanes and other applications that require lightweight and strong materials.

My Opinion: Quantum Computing Is Coming But Has This Engineer Puzzled

My Opinion: Quantum computing is coming but has this engineer puzzled. As we celebrate 2025, the International Year of Quantum Science and Technology, I find that thinking about these things from an engineer’s point of view is quite challenging.

Brain-Like Computer Steers Rolling Robot With 0.25 Percent of the Power Needed by Conventional Controllers

Analog computing is making a comeback with hardware that processes and stores information in the same location, similar to biological...

World's First Petahertz-Speed Phototransistor in Ambient Conditions

What if ultrafast pulses of light could operate computers at speeds a million times faster than today's best processors? A team of scientists, including researchers from...

Ultra-Sensitive Sensor with Gold Nanoparticle Array

Researchers have developed a new type of sensor platform using a gold nanoparticle array. The sensor is made up of a series of gold disk-shaped nanoparticles on a glass slide. When an infrared laser is pointed at a precise arrangement of the particles, they start to emit unusual amounts of ultraviolet light. Read on to learn more.

Advanced Microelectronics: Why A Next-Gen Semiconductor Doesn’t Fall to Pieces

The mechanism holding new ferroelectric semiconductors together produces a conductive pathway that could enable high power transistors. A new class of...

Revolutionizing High-Performance Computer Memory Storage

Magnets generate invisible fields that attract certain materials. Far more important to our everyday lives, magnets also can store data in computers. Exploiting the direction of the magnetic field, microscopic bar magnets each can store one bit of memory as a zero or a one — the language of computers.

A Lighter, Smarter Magnetoreceptive Electronic Skin

Imagine navigating a virtual reality with contact lenses or operating your smartphone under water — this and more could soon be a reality thanks to innovative e-skins. A research team...

New Atom-Based Thermometer Measures Temperature More Accurately

Scientists at the National Institute of Standards and Technology (NIST) have created a new thermometer using atoms boosted to such high energy levels that they are a thousand...

How MXenes Can Improve Air Filtration

An interdisciplinary team of researchers has introduced a new way to improve textile-based filters by coating them with a type of two-dimensional nanomaterial called MXene.

Can DNA-Nanoparticle Motors Get Up To Speed With Motor Proteins?

DNA-nanoparticle motors are exactly as they sound — tiny artificial motors that use the structures of DNA and RNA to propel motion by enzymatic RNA degradation. Essentially,...