Briefs : Materials
Whispering Gallery Optical Resonators

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 : Semiconductors & ICs
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...

Briefs : Electronics & Computers
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...

Briefs : Energy
Searching for the Failure Mechanisms in Lithium-Sulfur Batteries

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...

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...

Briefs : Semiconductors & ICs
Ultrafast Magnetic Reversal Method for Computer Memory

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 : Electronics & Computers
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 : Mechanical & Fluid Systems
Shape Memory Alloy Art (SMA-Art) Shapes

Shape memory alloys (SMAs) have the unique ability to recover large deformations in response to thermal, mechanical, and/or magnetic stimuli. This behavior occurs by virtue of a crystallo-graphically...

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...

Briefs : Electronics & Computers
Simplified Method for Uniformly Distributing Flow Within a Fluid Layer of a Multi-Layer Heat Exchanger

In multi-layer and multi-fluid plate and fin heat exchangers, fluid ports are required to be located on the side of the heat exchanger....

Briefs : Sensors/Data Acquisition
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.

Briefs : Software
Ad-Hoc Cache Hierarchies Increase Processing Speed and Reduce Energy Consumption

The efficiency of computer chips has increased by using caches — small, local memory banks that store frequently used data and cut down on time- and...

Briefs : Electronics & Computers
Method of Fabricating Ultra-Short-Gate-Length Thin-Film Transistors Using Optical Lithography

The speed of thin-film transistors (TFTs) relates directly to their gate length, which must be kept as short as possible to lower electron transport time between electrodes, and improve its high-frequency response characteristics. Since current density...

Briefs : Test & Measurement
SolidSense: Gas Analyzer on a Chip

The SolidSense sensor platform measures all EPA-regulated gas emissions (nitrogen oxides, carbon monoxide, and hydrocarbons), in addition to ammonia, with high accuracy and sensitivity. The chip-scale gas...

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