Keyword: Air pollution

NASA Spinoff: Sensors/Data Acquisition
NASA’s need to contain hazardous lunar dust led to technology that senses other pollutants.
Briefs: Photonics/Optics
Recent advances could make it feasible to deploy networks of methane sensors to detect this greenhouse gas at large facilities.
Briefs: Test & Measurement
This affordable, scalable sensor could be a vital tool in the fight against air pollution and its associated health risks.
Briefs: Aerospace
The proposed design could reduce nitrogen oxide emissions by 95 percent.
Briefs: Test & Measurement
This simple and inexpensive design achieves high-quality ozone measurements.
Briefs: Materials

A metal-organic framework (MOF) material was developed that exhibits a selective, fully reversible, and repeatable capability to remove nitrogen dioxide gas from the atmosphere in ambient...

Briefs: Test & Measurement

Correlation spectroscopy is an attractive technique for sensing and analysis applications because it combines the attributes of mechanical and optical simplicity, high selectivity, and good sensitivity. In...

Articles: Automotive

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: Test & Measurement

Current gas mask filters counter current threats, but there are large gaps in knowledge about how they do so at the molecular level. Many of the filters were developed to handle a wide...

Briefs: Manufacturing & Prototyping
Additive Manufacturing Facility for Utilization Primarily in Microgravity Environments

The purpose of this innovation is to create the ability to manufacture off Earth, primarily in a microgravity environment. This additive manufacturing facility (AMF) will have the capability to build tools, parts, experimental hardware, and upgrade hardware...

Articles: Semiconductors & ICs
Integrated Multi-Color Light Emitting Device Made with Hybrid Crystal Structure Sang Choi,
NASA Langley Research Center;
Yeonjoon Park,
National Institute of...
Articles: Test & Measurement

Sensors have a key role in industrial production. For example, they can be used for quality and process monitoring or condition-based maintenance. The range of applications...

Facility Focus: Medical

The National Institutes of Health (NIH) traces its roots to 1887, when a one-room laboratory was created within the Marine Hospital Service (MHS), the predecessor agency to the U.S. Public Health Service (PHS)....

Briefs: Software

The Federal Aviation Administration's Aviation Environmental Design Tool (AEDT) is a software system that dynamically models aircraft performance in space and time to estimate fuel consumption,...

Articles: Sensors/Data Acquisition

By integrating an optical Micro-Electro-Mechanical Systems, or MEMS, chip into an iPhone camera, researchers at the VTT Technical Research Centre of Finland have developed a new,...

Articles: Automotive

Imagine if every police car, bus, and garbage truck gathered important infrastructure data as they made their usual routes through the city.

In different field tests around the...

Briefs: Electronics & Computers

NASA’s Glenn Research Center has developed a groundbreaking new microsensor that detects toxic gases and explosives in a variety of environments. Most...

Articles: Aerospace
Technology used to capture carbon dioxide in the Martian atmosphere can save brewers money.

Building on work he and his companies did with Johnson Space Center’s In Situ Resource Utilization...

Application Briefs: Energy

As more connected devices enter the market and see wider adoption by an ever increasing number of industries, the Internet of Things (IoT) is rapidly expanding.

Application Briefs: Photonics/Optics

With the Internet of Things (IoT) quickly rising in front of us, it would be easy to get caught in the trap of thinking that both the trajectory and applications will be somewhat predictable. While...

Briefs: Software
A Large-Eddy Simulation Model of the Atmospheric Boundary Layer

The atmospheric boundary layer is the lowermost layer of the atmosphere and is host to a plethora of physical processes that significantly affect weather, climate, and air quality. In many applications, detailed information about the boundary layer is required at high temporal and...

Briefs: Aerospace
GEO-CAPE Airborne Simulator (GCAS)

This IRAD (Internal Research and Development) project was conceived as an aircraft instrument and designed with specifications that are closely aligned with the science requirements of the Geostationary Coastal and Air Pollution Events (GEO-CAPE) mission. The work has been used to both advance the technology...

Briefs: Materials
Catalyst for Treatment and Control of Post-Combustion Emissions

Emissions from fossil-fuel combustion contribute significantly to smog, acid rain, and global warming problems, and are subject to stringent environmental regulations. These regulations are expected to become more stringent as state and regional authorities become more involved in...

Briefs: Physical Sciences
COEDI Instrument Design Development for the GEOCAPE Mission

A document describes a coastal ocean color instrument for geostationary orbit that meets the science requirements within a size, mass, and cost package that is acceptable within current budgetary constraints. This work advances the instrument design concept for the Coastal Ocean...

INSIDER Product: Photonics/Optics

Senso Optics (Yokneam, Israel) has announced development of the world’s first "Thermal camera on Chip(TM)" for ADAS (Advance Driver Assistance System). ADAS is a driver warning system, designed to reduce...

Articles: Green Design & Manufacturing
Plant Air Purifier James Schaeffer, Bill Wolverton, Wayne Schaeffer, and Bernarr Schaeffer
U.S. Health Equipment Co.,
Kingston, NY

The Plant Air Purifier is a...

Briefs: Materials
Hybrid Filter Membrane

Cabin environmental control is an important issue for a successful Moon mission. Due to the unique environment of the Moon, lunar dust control is one of the main problems that significantly diminishes the air quality inside spacecraft cabins. Therefore, this innovation was motivated by NASA’s need to minimize the...

Briefs: Physical Sciences
Dynamic Monitoring of Cleanroom Fallout Using an Air Particle Counter

The particle fallout limitations and periodic allocations for the James Webb Space Telescope are very stringent. Standard prediction methods are complicated by non-linearity and monitoring methods that are insufficiently responsive. A method for dynamically predicting the...

Articles: Photonics/Optics

Generally speaking, sensor manufacturers are driven to improve performance (i.e. offering greater sensitivity, smaller packages, more features) and lower costs. The prioritization of these...

Webcasts

Upcoming Webinars: Automotive

The Art of EV Propulsion System Design

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Solutions for Automotive Interior Colors

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Latest Enhancements for ADAS Sensor Testing and Simulation

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Adhesives and the Future of Battery Designs

Upcoming Webinars: Manufacturing & Prototyping

Using High-Resolution X-ray Computed Tomography to Inspect...

Upcoming Webinars: Automotive

Digital Solutions to Design Vehicles for Noise and Vibration