Keyword: Exteriors

Briefs: Mechanical & Fluid Systems
This novel gel-creation method could open applications in water filtration, batteries, and smart windows.
Articles: Electronics & Computers
The marking provides easy-to-see legends on plastic buttons under widely varying illumination conditions.
Briefs: Test & Measurement
This simple and inexpensive design achieves high-quality ozone measurements.
Briefs: RF & Microwave Electronics
The antenna is designed for use in extreme conditions such as outer space.
Briefs: Energy
A customizable smart window harnesses and manipulates solar power to save energy and cut costs.
Briefs: Photonics/Optics
Self-powering, color-changing humidity sensors are applicable to various fields including smart windows, health care, and safety management.
Briefs: Unmanned Systems
The process provides a cost-effective solution for applications in space-based imaging systems, military reconnaissance, and satellite and unmanned aerial vehicles (UAVs).
Briefs: Manufacturing & Prototyping
These “developable mechanisms” are built into the surfaces of structures.
Briefs: Photonics/Optics
This thin film can be used for ground-based and airborne applications in aircraft, balloons, and other flight missions.
Briefs: Electronics & Computers

The color of a material can often tell how it handles heat. With clothing, for example, the darker the pigment, the warmer you're likely to feel on a hot day. Likewise, the more...

Articles: Materials

The critical angle lens reflector has commercial applications that supersede ordinary mirrored reflectors. The physics of the critical angle lens reflector are based on the optics...

Briefs: Photonics/Optics

Researchers have constructed a “metamirror” device capable of perfectly reflecting sound waves in any direction. The proof-of-principle demonstration is analogous to looking...

Briefs: Nanotechnology

Anyone who skis, wears glasses, uses a camera, or drives a car is familiar with the problem: Coming into a humid environment from the cold causes eyewear, camera lenses, or windshields to...

Briefs: Materials

A heat-rejecting film was developed that could be applied to a building’s windows to reflect up to 70 percent of the Sun’s incoming heat. The film remains highly transparent...

Briefs: Photonics/Optics

It's hard to get an X-ray image of low-density material like tissue between bones because X-rays just pass right through like sunlight through a window. Sandia studies myriads of low-density materials,...

Briefs: Sensors/Data Acquisition

The Inductive Non-Contact Position Sensor is a highly accurate sensor for motion control applications. The sensor was designed to monitor the precise movements of an optical inspection system that...

Briefs: Energy

Relying on advanced materials such as perovskites and single-walled carbon nano-tubes, a window technology was developed that responds to heat by transforming from transparent to...

Briefs: Electronics & Computers
Water-Repellent Nanotextures Possess Anti-Fogging Capability

Some insect bodies have evolved the ability to repel water and oil, adhere to different surfaces, and eliminate light reflections. Scientists have been studying the physical mechanisms underlying these properties found in nature and mimicking them to design materials for use in...

Articles: Lighting

The task of creating a streetlamp optical system has changed over the last 20 years and due to this change, so has optical design software. Let’s compare the task of...

Briefs: Materials

Commercial buildings in the United States account for nearly 40% of the total energy consumption. Among them, electricity is the largest energy source for buildings....

5 Ws: Electronics & Computers
Who

Users of consumer electronics devices and solar cells, and high-power pulsed laser applications.

Articles: Manufacturing & Prototyping

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that...

Briefs: Photonics/Optics
Fourier Transform Spectrometer System

NASA's Langley Research Center and Science Applications International Corporation have developed a method of processing data from Fourier transform spectroscopy (FTS) measurements that improves upon existing methods. This method is simpler, more accurate, faster, and less expensive than previous methods. It...

Briefs: Sensors/Data Acquisition

Conductive thread — embroidery thread that can carry an electrical current — often is combined with other types of electronics to create fabric that lights up or communicates. This...

Briefs: Motion Control

Using 3D printers, researchers have created a metamaterial from cubic building blocks that responds to compression forces by a rotation. Usually, this can only be...

Briefs: Motion Control

The James Webb Space Telescope will be the most powerful space telescope ever built. With a 21-foot diameter, the telescope’s primary mirror is six times larger than the one used by...

Briefs: Mechanical & Fluid Systems
Electrochemically Enhanced Mechanical Polishing of Optics

NASA’s Marshall Space Flight Center astrophysicists are developing better instruments to measure high-energy X-rays zipping about space when viewed from above the Earth’s atmosphere. Scientists at MSFC adapted a novel method for material removal and super-polishing to the mandrel...

Briefs: Test & Measurement
Wallops Arc-Second Pointer (WASP)

The Wallops Arc Second Pointer (WASP) is a balloon-borne attitude control system capable of pointing a telescope or instrument with accuracy and stability down to the arc second, or 1/3600 of a degree of angular measurement. When a high-powered telescope is integrated with WASP, it provides a highly precise...

Briefs: Software
Desktop Status

The purpose of the Desktop Status application is to collect processor, memory, and storage usages of a computer running the Microsoft Windows 7 operating system, and record these data with time stamps to files at a user-defined time interval. A graphical user interface (GUI) captures users' inputs and displays them on a plot for...