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Precious metal recovery technique ideal for rare Earth elements purification
Researchers have come up with a new approach to make the recovery of high value precious metals faster and more economically viable. The new technique could be ideal for the purification of rare earth elements, which are vital commodities for ‘green’ technologies such as hybrid cars and novel batteries.
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Coal and U.S electric power generation
Coal is an important fuel source in the United States today. Responsible for approximately 39 percent of the country’s electrical generation, coal is vital to the day-to-day operation of people’s lives. The United States is rich in coal deposits, with large resources. One of the most important and largest of those deposits is found in the Powder River Basin (PRB) of Wyoming and Montana, which, in 2012, produced more than 42 percent of the nation’s coal.
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Stopping vehicle in their tracks -- remotely
The need to stop vehicles remotely was identified by the law enforcement community. In 2010, the characteristics of a squid’s sticky tendrils were combined with the concept of Spiderman’s super-strong webbing to create a prototype of the first remote device to stop vehicles in their tracks: the Safe, Quick, Undercarriage Immobilization Device (SQUID).
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Arctic ice loss intensified Superstorm Sandy ferocity
If you believe that last October’s Superstorm Sandy was a freak of nature — the confluence of unusual meteorological, atmospheric and celestial events – then Cornell and Rutgers researchers suggest you should think again. The researchers report that the severe loss of summertime Arctic sea ice — attributed to greenhouse warming — appears to enhance Northern Hemisphere jet stream meandering, intensify Arctic air mass invasions toward middle latitudes, and increase the frequency of atmospheric blocking events like the one that steered Hurricane Sandy west into the densely populated New York City area.
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New source for rare earth elements: discarded consumer products
In a new twist on the state’s mining history, a group of Idaho scientists will soon be crushing consumer electronics rather than rocks in a quest to recover precious materials. Two national labs in the state will apply expertise gained in recycling fissionable material from nuclear fuel to separate rare earth metals and other critical materials from crushed consumer products.
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Using plants for herbal defluoridation of drinking water
A filtration system based on a medicinal herb can quickly and easily remove “fluoride” from drinking water, say researchers in India. The technology uses parts of the plant Tridax procumbens as a biocarbon filter for the ion.
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World’s first zero emission sports car is built-at-home electric car
A new partnership has developed the world’s first build at home electric race car kit, an all-electric sports car designed and engineered to support a growing demand for zero emission racing vehicles. The iRacer kit, available from £13,999, can be transformed quickly between hybrid, pure electric, or internal combustion engines.
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Enabling small ships to launch and retrieve long-endurance UAVs
About 98 percent of the world’s land area lies within 900 nautical miles of ocean coastlines. Enabling small ships to launch and retrieve long-endurance UAVs on demand would greatly expand the U.S. military’s situational awareness and ability quickly and flexibly to engage in hotspots over land or water. DARPA is seeking companies to develop these systems.
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Global warming opening new shipping routes in Arctic Ocean
The Arctic Ocean has captured the imagination of explorers because of the possibility it offers for traveling between the Pacific and the Atlantic oceans through the Bering Strait. Until recently, however, sea ice has blocked access to the potential shortcut between Asia and North America or Europe. In the past two years, the ice has begun to melt in late summer to such an extent that even ordinary seagoing vessels have been able to enter its frigid waters. For vessels traveling between Rotterdam in the Netherlands and Yokohama, Japan, the Northern Sea Route is approximately 40 percent shorter than the traditional route through the Suez Canal.
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Arsenic in groundwater in Bangladesh naturally occurring
Human activities are not the primary cause of arsenic found in groundwater in Bangladesh. Instead, a team of researchers found that the arsenic in groundwater in the region is part of a natural process that predates any recent human activity, such as intensive pumping.
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Norfolk, Virginia, tries to cope with sea-level rise
Norfolk, Virginia, is home to the largest U.S. naval base in the country, and the second biggest commercial port on the U.S. Atlantic coast. Floods are an ever-present problem, a problem which has become worse in recent decades. The relative sea level around Norfolk has risen 14.5 inches (.37 meter) since 1930, when the low-lying downtown area routinely flooded. The frequency of storms-induced surges has increased as well.
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The impact of sea-level rise on coastal military installations
The Pentagon says that climate-related effects are already being observed at Department of Defense (DoD) installations in every region of the United States and its coastal waters. The effects of climate change will adversely impact military readiness and DoD natural and built infrastructure unless these risks are considered in DoD decisions. A new white paper developed by the Pentagon’s Strategic Environmental Research and Development Program (SERDP) identifies key climate-related policy questions that need to be addressed.
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Volcanic aerosols, not pollutants, slowed recent Earth warming
Researchers looking for clues about why Earth did not warm as much as scientists expected between 2000 and 2010 now thinks the culprits are hiding in plain sight — dozens of volcanoes spewing sulfur dioxide.
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Developing the next-generation of VTOL aircraft
One of the greatest challenges of the past half century for aerodynamics engineers has been how to increase the top speeds of aircraft that take off and land vertically without compromising the aircraft’s lift to power in hover or its efficiency during long-range flight. DARPA’s new VTOL X-Plane project aims to achieve higher speeds, increased efficiency, and elegant design.
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Saving money and time in developing phased RF arrays
Phased radio frequency (RF) arrays use numerous small antennas to steer RF beams without mechanical movement. These electronics are invaluable for critical DoD applications such as radar, communications, and electronic warfare. These arrays, however, come with a high price tag. Current phased arrays are extremely expensive and can take many years to engineer and build.
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More headlines
The long view
Autonomous Vehicle Technology Vulnerable to Road Object Spoofing and Vanishing Attacks
Researchers have demonstrated the potentially hazardous vulnerabilities associated with the technology called LiDAR, or Light Detection and Ranging, many autonomous vehicles use to navigate streets, roads and highways. The researchers have shown how to use lasers to fool LiDAR into “seeing” objects that are not present and missing those that are – deficiencies that can cause unwarranted and unsafe braking or collisions.
Tantalizing Method to Study Cyberdeterrence
Tantalus is unlike most war games because it is experimental instead of experiential — the immersive game differs by overlapping scientific rigor and quantitative assessment methods with the experimental sciences, and experimental war gaming provides insightful data for real-world cyberattacks.
Prototype Self-Service Screening System Unveiled
TSA and DHS S&T unveiled a prototype checkpoint technology, the self-service screening system, at Harry Reid International Airport (LAS) in Las Vegas, NV. The aim is to provide a near self-sufficient passenger screening process while enabling passengers to directly receive on-person alarm information and allow for the passenger self-resolution of those alarms.
Falling Space Debris: How High Is the Risk I'll Get Hit?
An International Space Station battery fell back to Earth and, luckily, splashed down harmlessly in the Atlantic. Should we have worried? Space debris reenters our atmosphere every week.
Testing Cutting-Edge Counter-Drone Technology
Drones have many positive applications, bad actors can use them for nefarious purposes. Two recent field demonstrations brought government, academia, and industry together to evaluate innovative counter-unmanned aircraft systems.
Strengthening the Grid’s ‘Backbone’ with Hydropower
Argonne-led studies investigate how hydropower could help add more clean energy to the grid, how it generates value as grids add more renewable energy, and how liner technology can improve hydropower efficiency.