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Photos of the Day: The PD-100 Black Hornet pocket helicopter

July 25, 2014 | by ECN Staff | News | Comments

It weighs 16 g, can fly for up to 20 minutes, and fits in the palm of your hand. It’s the Prox Dynamics PD-100 Black Hornet, a mini helicopter which uses embedded cameras and a digital data link to provide real-time video for ground troops....

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Magnets for fusion energy: A revolutionary manufacturing method developed

July 25, 2014 3:23 pm | by EurekAlert! | News | Comments

The National Institute for Fusion Science (NIFS), of the National Institutes of Natural Sciences (NINS) in Japan, has achieved an electrical current of 100,000 amperes, which is by far the highest in the world, by using the new idea of assembling the state-of-the-art yttrium-based high-temperature superconducting tapes....

Collecting just the right data

July 25, 2014 3:15 pm | by EurekAlert! | News | Comments

Much artificial-intelligence research addresses the problem of making predictions based on large data sets. An obvious example is the recommendation engines at retail sites like Amazon and Netflix. But some types of data are harder to collect than online click histories....

Breakthrough laser experiment reveals liquid-like motion of atoms in an ultra-cold cluster

July 25, 2014 3:07 pm | by EurekAlert! | News | Comments

A new study by researchers from the University of Leicester has furthered our understanding of how tiny nanosystems function, unlocking the potential to create new materials using nanosized 'building blocks'. The study, which has been published in the prestigious academic journal Physical Review Letters ...

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Hazardous-area fluorescent light fixture features Class 1 Division 2 Groups A,B,C, and D approvals

July 25, 2014 3:02 pm | Larson Electronics Llc | Product Releases | Comments

The HALS-48-4L-347V from Larson Electronics (Kemp, TX) is a hazardous-area fluorescent light fixture that is Class 1 Division 2 Groups A,B,C, and D approved, has a T4A temperature rating and is ideal for open air locations where flammable chemical vapors may be occasionally encountered....

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Linear position sensor designed for extreme environments

July 25, 2014 2:52 pm | Product Releases | Comments

H. G. Schaevitz LLC, Alliance Sensors Group (Moorestown, NJ) is proud to release its LA-25-R series LVDT linear position sensors designed to handle the extreme industrial environments found in steam and hydro power plants; paper, steel, and aluminum mills....

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Brushless DC motor includes power up to 120 W

July 25, 2014 2:43 pm | Maxon Precision Motors, Inc. | Product Releases | Comments

The new brushless drive from maxon precision motors (Fall River, MA) with a diameter of 19 mm has been specially designed for high speeds and features low heat development and extremely quiet and low-vibration running. This little powerhouse has applications in centers for miniaturized processing....

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The robot says you flunked: Algorithms vs. judgment

July 25, 2014 11:29 am | by Karl Stephan, Consulting Engineer, Texas State University, San Marcos | Blogs | Comments

Harvard and MIT have teamed to develop an artificial-intelligence system that grades essay questions on exams. The way it works is this. First, a human grader manually grades a hundred essays, and feeds the essays and the grades to the computer. Then the computer allegedly learns to imitate the grader....

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Cost-effective, solvothermal synthesis of heteroatom (S or N)-doped graphene developed

July 25, 2014 10:39 am | by EurekAlert! | News | Comments

A research team led by group leader Yung-Eun Sung has announced that they have developed cost-effective technology to synthesize sulfur-doped and nitrogen-doped graphenes which can be applied as high performance electrodes for secondary batteries and fuel cells....

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Wireless home automation systems reveal more than you would think about user behavior

July 25, 2014 10:36 am | by EurekAlert! | News | Comments

Home automation systems that control domestic lighting, heating, window blinds or door locks offer opportunities for third parties to intrude on the privacy of the inhabitants and gain considerable insight into their behavioral patterns. This is the conclusion reached by IT security expert Christoph Sorge....

NRL Nike laser achieves spot in Guinness World Records

July 25, 2014 9:51 am | by EurekAlert! | News | Comments

A set of experiments conducted on the Nike krypton fluoride (KrF) laser at the U.S. Naval Research Laboratory (NRL) nearly five years ago has, at long last, earned the coveted Guinness World Records title for achieving "Highest Projectile Velocity" of greater than 1,000 kilometers per second (km/s)....

Choice bias: A quirky byproduct of learning from reward

July 25, 2014 9:49 am | by EurekAlert! | News | Comments

The price of learning from rewarding choices may be just a touch of self-delusion, according to a new study in Neuron. The research by Brown University brain scientists links a fundamental problem in neuroscience called "credit assignment" – how the brain reinforces learning only in the exact circuits that caused the rewarding choice....

Atomic structure of key muscle component revealed in Penn study

July 25, 2014 9:46 am | by EurekAlert! | News | Comments

Actin is the most abundant protein in the body, and when you look more closely at its fundamental role in life, it's easy to see why. It is the basis of most movement in the body, and all cells and components within them have the capacity to move: muscle contracting, heart beating, blood clotting, and nerve cells communicating....

Creating sustainable STEM teacher preparation programs

July 25, 2014 9:43 am | by EurekAlert! | News | Comments

A new study has identified two factors that characterize sustainable university and college programs designed to increase the production of highly qualified physics teachers. Specifically, one or more faculty members who choose to champion physics teacher education....

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Stanford study shows how to power California with wind, water and sun

July 25, 2014 9:41 am | by EurekAlert! | News | Comments

Imagine a smog-free Los Angeles, where electric cars ply silent freeways, solar panels blanket rooftops and power plants run on heat from beneath the earth, from howling winds and from the blazing desert sun. A new Stanford study finds that it is technically and economically feasible....

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New approach to form non-equilibrium structures

July 25, 2014 9:39 am | by EurekAlert! | News | Comments

Although most natural and synthetic processes prefer to settle into equilibrium—a state of unchanging balance without potential or energy—it is within the realm of non-equilibrium conditions where new possibilities lie. Non-equilibrium systems experience constant changes in energy and phases....

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