New technologies in power supplies and management, board-level electronics, electronics and computers, and battery systems provide wide-ranging applications essential to military, aviation, medical, and automotive.

Larry Curtiss answers reader questions about a new kind of lithium-air battery.

The market for higher-voltage automotive systems is expanding. The number of electric vehicles that use battery-powered drive systems having voltage equal to or higher than 48V is...

Briefs: Electronics & Computers
Aluminum as a Fuel

Batteries and combustion engines each have distinctive benefits and limitations. Batteries have simple construction and operate silently; however, their energy density (i.e., the energy per unit volume) is poor, and...

Briefs: Energy
High-Energy Lithium Flow Cells with Sulfur Anodes

Li-ion batteries offer considerable advantages such as high gravimetric and volumetric energy densities, and good calendar life and shelf life compared to aqueous systems such as Pb-acid, Ni-Cd, and Ni-MH. Various Li-ion chemistries with different Li-intercalating cathodes have attained...

Researchers have developed a lithium-ion battery that uses a water-salt solution as its electrolyte — reaching the 4.0- Volt mark for electronics such as laptops — without the fire and...

In 3D printing — also known as additive manufacturing — an object is built layer-by-layer, allowing for the creation of structures that would be impossible to manufacture by...

Briefs: Sensors/Data Acquisition
Safe2Ditch Technology

Highly capable small Unmanned Aerial Vehicles (UAVs) provide substantial business opportunity, especially if allowed to operate in the suburban market. Reliability issues force the use of a safety pilot for each vehicle...

Products: Electronics & Computers
New on the Market: April 2018
Polarization Camera

Lucid Vision Labs, Richmond, BC, Canada, announced the 5-megapixel Phoenix polarization camera that can be used to detect stress or defects in manufacturing of materials such as plastic,...

Briefs: Electronics & Computers
System and Method for Managing Autonomous Entities Through Apoptosis

This NASA innovation is a biologically inspired system management method designed to make sensor webs as well as other autonomous and autonomic systems more self-directing and self-managing. Based on the mechanisms of cell apoptosis, this method ensures safe and correct...

Thermoelectric devices generate power when one side of the device is a different temperature from the other. Instead of requiring two different temperature inputs at...

INSIDER: Electronics & Computers
Lithium-Air Battery Out-Powers Lithium-Ion

Researchers at the University of Illinois at Chicago and Argonne National Laboratory have designed a new lithium-air battery that works in a natural air environment and still functioned after a...

In 1988, a team at Pacific Northwest Laboratories built a mannequin robot. One of the original engineers talked with Tech Briefs about his time making "Manny."
Question of the Week: Sensors/Data Acquisition
Will edible electronics catch on?

In this week's Tech Briefs TV video, Rice University scientists demonstrated an ability to embed graphene into paper, cloth, and even your breakfast. Why etch patterns into toast? James Tour, a chemist at Rice University, envisions never-before-seen applications, like embedding electronics as a self-cooking heat...

Have a product design idea? The "Create the Future" Design Contest is now open for submissions until July 2, 2018.

In London's St. Paul's Cathedral, a whisper can be heard far across the circular whispering gallery as the sound curves around the walls. Now, an optical whispering gallery mode resonator developed by...

Briefs: Electronics & Computers
Near-Zero-Power Temperature Sensor

A temperature sensor was developed that runs on 113 picowatts of power — about 10 billion times smaller than a Watt. The technology could enable devices that can be powered by harvesting energy from...

Researchers from NC State have developed a new technique for directly printing metal circuits, creating flexible, stretchable electronics. The technique can...

Briefs: RF & Microwave Electronics
Remote Detection of Electronic Devices

Non-Linear Junction Detection is a well-known technique for detecting electronics that utilize semiconductor (solid-state) junctions. The current state of the art for finding hidden electronics — such as electronic eavesdropping devices — using this technology has a maximum range of about 2 m, and more...

It's difficult to see the details of atomic and topographical changes that lead to battery failure. However a team of researchers developed a method to see reactions leading to...

5 Ws: RF & Microwave Electronics
5Ws of the Ultra-Thin Memory Storage Device
Who

Manufacturers of smaller and smarter computer chips for consumer electronics such as smartphones and tablets, and 3D chips for brain-inspired computing applications.

Facility Focus: Green Design & Manufacturing
Facility Focus: Argonne National Laboratory

Located in Argonne, IL, Argonne National Laboratory (ARL) is a multidisciplinary science and engineering research center. Born out of the University of Chicago’s work on the Manhattan Project in...

Exciting new technological innovations are making the planet cleaner, people healthier, food more plentiful, transportation speedier, communication more accessible,...

Briefs: Electronics & Computers
System and Method for Identifying Electrical Properties of Integrated Circuits

Integrated circuit (IC) design can be divided into three stages: circuitry as specified, circuitry as designed, and circuitry as manufactured. Circuitry as specified is a somewhat abstract circuit design made with knowledge of the latest state-of-the-art integrated...

Computers use different kinds of memory technologies to store data. Long-term memory — typically a hard disk or flash drive — needs to be dense in order to store as much data as...

Briefs: Data Acquisition
Flexible Silicon-on-Polymer Chip

A new, flexible, silicon-on-polymer chip was developed to augment new networked realities such as the Internet of Things. Typical silicon-based integrated circuits are brittle, rigid components packaged in a way that protects them. When these devices are put into a flexible form factor, rigidity is a negative...

Briefs: Electronics & Computers
Memristors Enable Quick-Learning Neural Network

Inspired by brains, neural networks are composed of neurons (or nodes) and synapses, which are the connections between nodes. To train a neural network for a task, a neural network takes in a...

Briefs: Electronics & Computers
Magnetic Cooling of Nanoelectronic Chips

High-tech refrigerators have been used to reach temperatures as close to absolute zero as possible — 0 kelvin or -273.15 °C. Physicists aim to cool equipment to as close to absolute zero as...

Revolutionary changes are driving the mobility industry forward. Explore the next generation of transportation engineering at SAE’s WCX: World Congress Experience from April 10-12 in Detroit, MI....

Briefs: Electronics & Computers
Flexible, Water-Repellent Graphene Circuits for Washable Electronics

New graphene printing technology can produce electronic circuits that are low-cost, flexible, highly conductive, and water-repellent. Low-cost, inkjet-printed graphene can be tuned with a laser to make functional materials.

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