Test & Measurement

New Approach to Reducing EV Battery Testing Time

A new optimization framework created by researchers at University of Michigan could drastically reduce the cost of assessing how battery configurations will perform over the long haul.

Large Format Li-Ion Calorimeter

Innovators at NASA Johnson Space Center have developed a method to measure the total and fractional heat response of large format Li-ion cells (cells with capacities greater than 100Ah) when driven into...

Portable Device Detects Foodborne Illness

Foodborne illness hits about one in six people in the United States every year from more than 31 recognized pathogens including E. coli O157:H7, a particularly harsh strain of E. coli. Researchers...

Handheld Measuring Device Distinguishes Between Methanol and Potable Alcohol

Methanol is sometimes referred to as ethanol's deadly twin. While the latter is the intoxicating ingredient in wine, beer, and liquor, the former is a chemical that...

Method Measures Temperature Within 3D Objects

Engineers have remotely determined the temperature beneath the surface of certain materials using a new technique called depth thermography. The method may be useful in applications where...

Rapid Agent Aerosol Detector for Biological Agents

Any space, enclosed or open, can be vulnerable to the dispersal of harmful airborne biological agents. Silent and near-invisible, these bioagents can sicken or kill living things before steps...

Electronic Skin Powered by Sweat Serves as Human-Machine Interface

Researchers have developed electronic skin (e-skin) that is applied directly on top of real skin. Made from soft, flexible rubber, it can be embedded with sensors that monitor...

Fast-Acting Molecular Probe

A reversible polymer changes color when it senses a material is about to fail.

An Innovative Imaging Technique for Dynamic Optical Nanothermometry

A new imaging technique measures temperature in 2D.

Tool Calculates Materials’ Stress and Strain Based on Photos

The advance could accelerate engineers’ design process by eliminating the need to solve complex equations.

NIST Improves the Ability of Optical Microscopes to Measure the Volume of Microdroplets

For the first time, a team has measured the volume of individual droplets smaller than 100 trillionths of a liter, with an uncertainty of less than 1%.

Nano Flashlight Enables New Applications of Light

Design of miniature optical systems could lead to future cell phones that can detect viruses and more.

Sensitive Method for Detecting Transistor Defects

The method could support the semiconductor industry and facilitate development of next-gen devices.

All-in-One Test for COVID-19 Monitoring

The test can simultaneously diagnose cases, track variants, and detect co-infections.

LEDs Can Detect Spoiled Food and Lethal Gases

The technology could benefit firefighters, miners, the military, plumbers, and households.

Inexpensive Portable Detector Identifies Pathogens in Minutes

The smartphone-based device could reduce the pressure on testing laboratories during a pandemic.

Measurement Method Tests Fit of Exoskeletons

This testing method ensures that an exoskeleton and the person wearing it are moving smoothly and in harmony.

Smartphone-Based COVID-19 Test

The test uses a smartphone microscope and could deliver results in about 10 minutes.

Propulsion System for Hypersonic Flight

The system could allow for flight speeds of Mach 6 to 17 and would have applications in air and space travel.

Self-Powered Alarm Monitors Fires and the Environment

This remote forest fire detection and alarm system is powered by nothing but the movement of the trees in the wind.

Soft Contact Lenses Monitor Ocular Diseases

The lenses enable the painless diagnosis or early detection of ocular diseases including glaucoma.

Nanoscale Sensors Measure Elusive Water Levels in Leaves

A new technology uses nanoscale sensors and fiber optics to measure water status just inside a leaf’s surface, where water in plants is most actively managed.

New Thermal Wave Diagnostic Technique Advances Battery Performance Testing

A new technique for measuring the performance of lithium batteries uses thermal waves to measure local lithium concentration as a function of depth inside battery electrodes.

Artificial Intelligence Magnifies the Utility of Electron Microscopes

An AI framework enables scientists to improve an imaging technique, enhancing the performance of electron microscopes.

Sub-Pixel Spatial Resolution Interferometry

Applications include aircraft-mounted and space-based interferometers, electronics fabrication, and military optics.

Artificial Intelligence Improves Battery Health and Safety

A machine learning method promises to predict battery health with 10 times higher accuracy than the current industry standard.

Getting NASA Data to the Ground With Lasers

The Laser Communications Relay Demonstration (LCRD) will usher in a new era of laser communications.

Need for Larger Space Telescope Inspires Lightweight Flexible Holographic Lens

Holographic lenses render visible and infrared starlight into either a focused image or a spectrum.

Cell Labelling Method from Microscopy Adapted for Use in Whole-Body Imaging

A team at the University of Münster is adapting a cell labelling strategy known as "SNAP-tag" technology.