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የማጃንግ የደን ባዮስፌር ሪዘርቭ ሆኖ በዩኔስኮ ተመዘገበ

29/06/2017
በጋንቤላ ብሔራዊ ክልላዊ መንግስት ውስጥ የሚገኘው የማጃንጋ የደን ባዮስፌር ሪዘርቭ ሆኖ በዩኔስኮ መመዝገቡን የሳይንስና ቴክኖሎጂ ሚኒስቴር ሚኒስትር የሆኑት ዶ/ር ኢንጂነር ጌታሁን መኩሪያ

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.”

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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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Water Based Nuclear Battery

Water based nuclear battery

Using a water-based solution, researchers at the University of Missouri have created a long-lasting and more efficient nuclear battery that could be used for many applications such as a reliable energy source in automobiles and also in complicated applications such as space flight.
Betavoltaics, a battery technology that generates power from radiation, has been studied as an energy source since the 1950s. Controlled nuclear technologies are not inherently dangerous. We already have many commercial uses of nuclear technologies in our lives including fire detectors in bedrooms and emergency exit signs in buildings.
The battery uses a radioactive isotope called strontium-90 that boosts electrochemical energy in a water-based solution. A nanostructured titanium dioxide electrode (the common element found in sunscreens and UV blockers) with a platinum coating collects and effectively converts energy into electrons.
Water acts as a buffer and surface plasmons created in the device turned out to be very useful in increasing its efficiency. The ionic solution is not easily frozen at very low temperatures and could work in a wide variety of applications including car batteries and, if packaged properly, perhaps spacecraft.
Story Source: daily science
 

 

18-09-2014 04:25 PM


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