Power Management

Graphene-Based Photonics Devices for Remote Sensing

Growing large-area graphene on optical substrates enables use in photonics devices.

Improving Overhead Equipment Devices for a New Era of Railway Transportation

See how COMSOL is supporting upcoming modifications to railway infrastructure in India.

NASA Going Back to the Moon: What is the Gateway Orbit?

A NASA expert explains why the Artemis mission will rely on a fascinating orbit known as the "Gateway."

Inside Story: Keith Moore, CEO of Pickering Interfaces

CEO Keith Moore tells Tech Briefs about the unique challenges facing testing engineers in aerospace.

Answering Your Automotive Questions: Why a 'Floating' Board-to-Board Connection?

An industry expert explains why automotive manufacturers are turning to a "floating" board-to-board connection.

Better Batteries for Grid-Scale Energy Storage

Molten sodium batteries have been used for many years to store energy from renewable sources, such as solar panels and wind turbines. However, commercially available molten sodium-sulfur...

Breathing New Life into Fuel Cells

The demand for clean energy has never been higher, and it has created a global race to develop new technologies as alternatives to fossil fuels. Fuel cells are among the promising green energy...

New Type of Wireless Charger Can Charge Multiple Devices Simultaneously

While researchers around the globe are working on free-position wireless charging — which would unchain devices from set charging points — the most common...

More Efficient Electricity Distribution Thanks to New Insulation Material

If we are to transition to a world powered by renewable energy, efficient long-distance transport of electricity is essential, since the supply — renewable...

A 'Charging Room' Powers Devices Through the Air

Prof. Alanson Sample and his team want to turn entire buildings into wireless charging zones. Learn how their system delivers electricity over the air.

Origami Solves Challenge of Storing and Moving Rocket Fuel

A folded plastic bladder could store and pump the fuel.

UpFront: September 2021 Tech Briefs

NASA Washing Machine Designs Go for a Spin

Right now, there is no laundry service in space.

Astronaut garments aren’t washed. They are put onto ships that burn up in the...

New on the Market: September 2021

Power distribution units, pressure sensors, connector straps, and more.

Centimeter-Long Snail Robot Powered with Light

The soft robot harvests energy from a laser beam and can crawl on horizontal surfaces and climb vertical walls and an upside-down glass ceiling.

New Products: September 2021 Battery Technology

Lithium batteries, compartment gaskets, chargers, and more.

Cloud-Connected, Battery-Based IoT Devices Last Years Longer

Demand for wireless IoT cloud-connected devices is growing rapidly, yet deploying Wi-Fi battery-based products is difficult.

Rechargeable Cement-Based Batteries

An entire 20-story concrete building could store energy like a giant battery.

Bipolar and Unipolar Drives for Stepper Motors: A Comparison

Learn the differences between bipolar and unipolar motors, their driving methods, and advantages and limitations.

Back to Basics: Improving Your Drives Investment

An OEM must think about how to build a machine that will work on any kind of power system.

High-Power/Pulsed-Power Electrical Switch

The switch has uses in circuit protection systems in the electric power grid, high-power military applications, and power for materials processing.

Hybrid Thermoelectric Compound

The material sets the stage for new forms of electric power in the future.

Device Powers Wearable Sensors Through Human Motion

A triboelectric generator made of flexible circuit boards creates electricity when the wearer moves.

Q&A: Switching Technology Improves Power Grid Efficiency

Kristin Sampayan from the Lawrence Livermore National Laboratory found a fast way to switch high voltages.

Lighter Radiation Shielding for Electronics

This new technique shields electronics from ionizing radiation in applications such as military and space exploration.

Rad-Hard CMOS Crystal Oscillator

The oscillator is designed for localized clock signal generation and data transmission in telemetry systems and remote sensing.

Electronic Hardware System Replicates Many Network Architectures

The circuitry uses race logic to solve complex problems with a minimum expenditure of energy.

Sound Waves Power Advances in Smart Materials

High-frequency sound waves can be used to build new materials, make smart nanoparticles, and even deliver drugs to the lungs for painless, needle-free vaccinations.