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April 21, 2017

Farm Bot

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Mea cu tota [...]

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February 27, 2017

Dousing Flames with Low-Frequency Sound Waves

A new type of extinguisher that uses sound waves to put out fires has been built by two engineering students in the US. Both chemical- and water-free, the invention offers a relatively non-destructive method of fire control, which could find applications in fighting small fires in the home, and the researchers now hold a preliminary patent application for their device.

While the concept of using sound waves to extinguish flames is not new, previous attempts to realize the principle – including efforts by teams at West Georgia University and the US Defense Advanced Research Projects Agency (DARPA) – had not been successful.

Undeterred by this, as well as initial [...]

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February 26, 2017

A Quick and Simple Blood Test to Detect Early-Stage Cancer

Early and accurate detection of cancer is critical for successful cancer therapies. In most cases, a tissue biopsy is the initial means of making a diagnosis after some form of cancer screening has come up with a positive result. However, tumor antigen-specific autoantibodies – antibodies produced by the immune system that are directed against one or more of the individual's own proteins – are known to appear months even years before clinical diagnosis of cancer, and autoantibodies have been found in many types of cancer. With increasing accuracy, nanosensor platforms for detecting cancer biomarkers are becoming viable complements to invasive biopsies of metastatic tumors (although, [...]
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February 26, 2017

Precision Nanobatteries by The Billions

Tiny batteries formed inside nanopores demonstrate that properly scaled nanostructures can use the full theoretical capacity of the charge storage material. These nanobatteries delivered their stored energy efficiently at high power (fast charge and discharge) and for extended cycling.

Precise structures can be constructed to assess the fundamentals of ion and electron transport in nanostructures for energy storage and to test the limits of three-dimensional nanobattery technologies.

Nanostructured batteries, when properly designed and built, offer promise for delivering their energy at much higher power and longer [...]

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February 17, 2017

Renewable Energy from Evaporating Water

An immensely powerful yet invisible force pulls water from the earth to the top of the tallest redwood and delivers snow to the tops of the Himalayas. Yet despite the power of evaporating water, its potential to propel self-sufficient devices or produce electricity has remained largely untapped — until now.
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February 14, 2017

‘Human Cruise Control’ Uses Electrodes to Steer People in the Right Direction

"Human cruise control" may be the future of navigation, freeing us from latching our eyes at our smartphones for directions and, instead, concentrating on the journey.
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February 12, 2017

A Solution to Traffic Congestion and Aging Infrastructure

Ever wonder what the “use-by date” is for bridges in your city. In the U.S. alone there are over 68,000 bridges classified as “structurally deficient.” The American Society of Civil Engineers in their latest Report Card for America’s Infrastructure gave a “D+” to U.S. road and aviation infrastructure.


That may explain why 42% of America’s major urban highways remain congested, costing the U.S. economy an estimated $101 billion in wasted time and fuel annually. And pollution wasn’t even factored into the equation.


How much capital would be needed to significantly improve U.S. road conditions? About $170 billion, according to the Federal Highway [...]
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February 9, 2017

Life-Changing Therapy Now Available For Stroke and Spinal Cord Injury Patients As MyndTec Launches MyndMove™

MyndTec, an award-winning, Canadian medical technology company announced today the launch of its first commercial product, a revolutionary, new therapy for the treatment of arm and hand paralysis caused by stroke or spinal cord injury. MyndMove™ therapy is based on advanced non-invasive functional electrical stimulation and uses electrical stimulation to create new neural pathways for the recovery of voluntary function following injury to the brain or spinal cord. Over the coming week, MyndTec will unveil MyndMove at two rehabilitation conferences in Toronto, the National Spinal Cord Injury Conference (Oct 3–4) and the American Congress of Rehabilitation Medicine (Oct 8-10). [...]
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February 9, 2017

10 Lessons From 10 Years as a Social Entrepreneur

Ten years ago, I shipped the world’s first fair-trade avocados from small-scale farmers in Mexico to Europe — and my social enterprise was born.

At the time, I’d never heard of a “social entrepreneur”. I just wanted to use my business skills to help small-scale farmers transform their lives. Now, I identify as a social entrepreneur down to my bones, and my enterprise has scaled around the globe and impacted thousands of farmers in many countries.

Our mission is far from complete, but the anniversary is an occasion to reflect on the keys lessons learned during 10 life-changing years.

1. Be the change. Social entrepreneurship [...]

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February 7, 2017

Drones could help save the world’s forests (Wired UK)

Lauren Fletcher is aiming to tackle global climate change by planting one billion trees per year with his fleet of drones. BioCarbon EngineeringMatthew Ritchie Fletcher, who is the CEO of Oxford-based BioCarbon Engineering, and his team are developing planting technologies that will be integrated with unmanned aerial vehicles (UAVs) and sensors, allowing them to carry out "precision forestry". This uses geospatial information in forest planning and management, as well as site-specific silvicultural operations. The technology has reached the semi-final stage of the UAE's Drones for Good competition taking place in Dubai. The winner will be announced on 7 February and pocket $1 [...]
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February 2, 2017

Laser-Arc Coating vs Friction

Coating engine components with hard carbon reduces friction to almost zero – a development that could save billions of liters of fuel worldwide every year. Now researchers have developed a new laser method to apply the coating on the production line

Scientists already know how to coat components with diamond-like carbon to minimize friction. But now Fraunhofer researchers have developed a laser arc method with which layers of carbon almost as hard as diamond can be applied on an industrial scale at high coating rates and with high thicknesses.

By applying carbon coatings to engine [...]


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