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Industry Waste Treatment: Ato Chernet Kebede Part 2

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BUTTERFLY WINGS INSPIRE NEW SOLAR AND STEALTH TECHNOLOGIES

19/06/2017
The new solar cell structure essentially mimics the scales on blue Morpho Didius butterfly wings. The Morpho Didius butterfly’s wing has tiny cone-shaped nanostructures that scatter light to create metallic

A Smart T-Shirt Monitors Your Breathing Rate in Real Time

15/06/2017
In Laval University, the experts of the Faculty of Science and Engineering and its Center for Optics, Photonics, and Lasers have made a smart T-shirt that can measure the rate of respiration in the wearer.

የአለም ሎሬት ፕሮፌሰር ገቢሳ ኤጀታ

10/06/2017
የዓለም የምግብ ዋስትናን ለማረጋገጥ በሰሩት ሥራ በአለም መድረክ ስማቸውንና የሀገራቸውን ስም ያስጠሩ ፀኃፊ፣ አርታኢ፣ መምህር፣ አማካሪ እና ተመራማሪ የአለም ሎሬት ፕሮፌሰር ገቢሳ ኤጀታን ከረጅሙ የሂወት ጉዞአቸው በጥቂቱ ይዘንላቹ ቀርበናል፡

Chinese City Installs Automatic Pedestrian Gates to Prevent Jaywalking

08/06/2017
Jaywalking has turned from a cultural problem to an epidemic in China, so much so that the practice has taken up a notorious nickname “Chinese-style street crossing.”

China makes 'flammable ice' breakthrough in South China Sea

06/06/2017
The fuel-hungry country has been pursuing the energy source, located at the bottom of oceans and in Polar Regions, for nearly two decades.

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Flying cars set for takeoff at Tokyo Olympics in 2020

30/05/2017
Japan has taken a step closer to realizing its dream of launching flying cars in time for the 2020 Tokyo Olympics, following investment from a major car company.

Lack of dust makes China's air pollution much worse

25/05/2017
Airborne dust is normally seen as an environmental problem, but the lack of it is making air pollution over China considerably worse.

Could Genetics Influence What We Like to Eat?

27/04/2017
Understanding the roles of genes in eating behaviors and food preferences could lead to personalized diets that are easier to follow

“Project Portal” – a hydrogen fuel cell system designed for heavy duty truck use.

12/05/2017
Toyota is big on hydrogen. While other major manufacturers are not sure about this technology and are moving towards pure electric power, Toyota is still toying with the idea that cars could be making electricity for themselves

Science and Technology Minister Is Spending 67.5 Million For 21 Selected Projects!

15/05/2017
After comparing 331 research projects the ministry selected 21 projects to assist financially.

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Artificial Skin That Detect Pressure and Heat

A team of researchers with Ulsan National Institute of Science and Technology and Dong-A University, both in South Korea, has developed an artificial skin that can detect both pressure and heat with a high degree of sensitivity, at the same time. In their paper published in the journal Science Advances, the team describes how they created the skin, what they found in testing it and the other types of things it can sense.

Many scientists around the world are working to develop artificial skin, both to benefit robots and human beings who have lost skin sensation or limbs. Such efforts have led to a wide variety of artificial skin types, but until now, none of them have been able to sense both pressure and heat to a high degree, at the same time.

The new artificial skin is a sandwich of materials; at the top there is a flexible surface meant to mimic the human fingerprint (it can sense texture), beneath that sit sensors sandwiched between graphene sheets. The sensors are domed shaped and compress to different degrees when the skin is exposed to different amount of pressure. The compression also causes a small electrical charge to move through the skin, as does heat or sound, which is also transmitted to sensors the more pressure, heat or sound exerted, the more charge there is using a computer to measure the charge allows for measuring the degree of sensation.

 

The artificial skin still has a long way to go before it could be used for practical purposes, the team develop a means for communicating data from the skin to a robot or human being, for example, though that is one of the major areas of research that that group is focusing its attention on they plan to develop a means for doing so that takes into account the special capabilities of the skin they developed.


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