Briefs: Information Technology
Implementation of a Terrain Radiometric Correction for UAVSAR

A paper discusses a calibration method suited to correct variations of UAVSAR (unmanned aerial vehicle synthetic aperture radar) backscatter with topography. To use radar backscatter to estimate forest biomass on terrain with slopes, it is necessary to remove the effect of topography....

Briefs: Information Technology
Picoradian Staring Astrometry Using a Simple Staring Telescope

A document describes solutions to problems of astrometry at the microarc-second (picoradian) level using a simple staring telescope. The problems include field-dependent beam-walk on the telescope’s mirrors, pixel position irregularity and distortion over time, non-flat intra-pixel...

Briefs: Information Technology
Missing Value Imputation in Astronomical Time-Series Data

A document describes a solution to missing flux values in time-domain optical and radio astronomical survey data that form “light curves.” The technique incorporates a priori astronomical knowledge into a missing value imputation technique. It is assumed that missing values in...

Hewlett-Packard, Palo Alto, CA, has announced the HP DL380z Virtual Workstation that provides secure, remote access to workstation-class applications from a variety of devices, including thin clients,...

News: Motion Control
Pumping Efficiency Into Electric Motors

University of Adelaide (Australia) researchers are using new magnetic materials to develop revolutionary electrical motors and generators that promise significant energy savings. They have used the new motors to develop patented highly efficient water pump systems with potential widespread application.

Carnegie Mellon University researchers have developed techniques for combining the views of 480 video cameras mounted in a two-story geodesic dome to perform large-scale 3D motion...

Question of the Week
Will Adaptable Furniture Achieve Mainstream Acceptance?

Roombots self-configurable robotics which can merge with materials to create adaptable furniture for the home and office. The lab will initially use the intelligent furniture to assist the elderly and those with reduced mobility. The team then plans to improve the human-robot interactions...

News: Nanotechnology
Researchers Build 'Invisible' Materials with Light

Metamaterials have a wide range of potential applications, including sensing and improving military stealth technology. Before cloaking devices can become reality on a larger scale, however, researchers must determine how to make the right materials at the nanoscale. Using light is now shown to...

News: Energy
Spongelike Structure Converts Solar Energy into Steam

A new material structure developed at MIT generates steam by soaking up the sun.

The structure — a layer of graphite flakes and an underlying carbon foam — is a porous, insulating material structure that floats on water. When sunlight hits the structure’s surface, it creates a hotspot...

News: Robotics, Automation & Control
Astronauts to Test Free-Flying Robotic 'Smart SPHERES'

Three bowling ball-size free-flying Synchronized Position Hold, Engage, Reorient, Experimental Satellites (SPHERES) have been flying inside the International Space Station since 2006. These satellites provide a test bed for development and research, each having its own power, propulsion,...

Dr. Keith Gendreau is the principal investigator of the upcoming Neutron star Interior Composition ExploreR (NICER) mission. He was the 2011 Innovator of...

Question of the Week
Are Driverless Car Concerns Overblown?

According to a newly released FBI report, the driverless cars of the future could aid criminals by introducing the potential for “multitasking.” The report also said that the cars themselves could be turned into “lethal weapons” by evildoers. The report, however, also stated that the autonomous...

NASA has selected three winning designs solicited to address the technological limitations of the uncrewed aerial systems (UAS) currently used to track and collect data on hurricanes....

Two of Georgia Tech's software-defined, electronically reconfigurable Agile Aperture Antennas (A3) were demonstrated in an aircraft during flight tests. The low-power...

Washington State University researchers have developed the first fuel cell that can directly convert fuels, such as jet fuel or gasoline, to electricity, providing a dramatically more...

News: Aerospace
Heat-Sensing Camera Reveals Map of Mars Surface

A heat-sensing camera designed at Arizona State University has provided data to create the most detailed global map yet made of Martian surface properties.

The map uses data from the Thermal Emission Imaging System (THEMIS), a nine-band visual and infrared camera on NASA’s Mars Odyssey...

A study by researchers at the University of Minnesota using snow during a Minnesota blizzard is giving researchers new insight into the airflow around large wind turbines. This research...

NASA completed a near-space test flight of NASA's Low-Density Supersonic Decelerator (LDSD), developed to evaluate new landing technologies for future Mars missions....

By fusing together the concepts of active fiber sensors and high-temperature fiber sensors, a team of researchers at the University of Pittsburgh has created an...

Blog
The Road to Lightweight Vehicles

With a steady rise in fuel prices and increasing restrictions on emissions, automakers face difficult challenges as they are forced to find ways of making their cars lighter and more fuel-efficient. One way to achieve this goal is to incorporate strong, lightweight, and durable composite materials to replace...

News: Photonics/Optics
NASA’s High-Flying Laser Altimeter Measures Summer Sea Ice

When NASA launches the Ice, Cloud and land Elevation Satellite-2, or ICESat-2, in 2017, it will measure Earth’s elevation by sending out pulses of green laser light and timing how long it takes individual photons to bounce off Earth’s surface and return. The number and patterns of...

News: Manufacturing & Prototyping
Engineers Use Resin Inks, 3D Printing to Build Lightweight Cellular Composites

Like other manufactured products that use sandwich panel construction to achieve a combination of light weight and strength, turbine blades contain carefully arrayed strips of balsa wood from Ecuador, which provides 95 percent of the world’s supply.

As turbine...

Question of the Week
Will The Popularity Of Drones Carry Major Risks?

New York City police have reported a growing number of incidents involving wayward drones. A crew member of an NYPD helicopter, for example, recently had to change its course after spotting a flying object headed in its direction. Some police are concerned that the increasing popularity of drones...

Chemists have synthesized a new material that could show the way forward to state-of-the-art lithium-sulfur batteries for electric cars. The industry is currently placing most of...

Washington State University has developed a wireless network on a computer chip that could reduce energy consumption at huge data farms by as much as 20 percent. The wireless multicore chip...

Scientists at USC have developed a water-based organic battery that is long-lasting, and built from cheap, eco-friendly components. The new battery — which uses no metals or toxic...

News: Nanotechnology
Nano-Pixels Promise Flexible, High-Res Displays

A new discovery will make it possible to create pixels just a few hundred nanometers across. The "nano-pixels" could pave the way for extremely high-resolution and low-energy thin, flexible displays for applications such as 'smart' glasses, synthetic retinas, and foldable screens.

Oxford...

News: Robotics, Automation & Control
New Drones Ensure Ideal Photographic Lighting Positions

Researchers at MIT and Cornell University will provide photographers with squadrons of small, light-equipped autonomous robots that automatically assume the right positions for photographic lighting.

With the new system, the photographer indicates the direction from which the rim light...

News: Defense
Inspired by Nature, Researchers Build a Tougher Metal

Drawing inspiration from the structure of bones and bamboo, researchers have gradually changed the internal structure of metals to make stronger, tougher materials. The new metals can be customized for a wide variety of applications — from body armor to automobile parts.

The research team...

Question of the Week
Would You Use a ‘SwingBot?’

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2020 Create the Future Contest Awards

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Advancement of Spectrum Analysis Techniques for Tracking,...

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