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MATERIAL CONVERTS MULTIPLE ENERGY FORMS INTO ELECTRICITY

17 Feb 17

There are many forms of energy surrounding us. These include the heat in the room, sunlight and one’s movements. All these normally go wasted. Scientists from the University of Oulu, Finland, have discovered a material which can simultaneously convert multiple forms of energy into electricity. This provides a great source to power wearable technology, ranging from smart watches to biometric sensors.

This material is a mineral that has a perovskite crystal structure. It has the right properties to simultaneously harvest energy from multiple sources. Perovskites are a group of minerals. Many of these depict properties for deriving one or two energy types at different times, but not simultaneously. One of them may be a good option for solar cells while another for temperature, and another for motion.

However, just one energy form is not always available. For instance, it may be cloudy, or you can’t move because you are in a meeting. This calls for multiple minerals to harness multiple energy forms. But that is bulky for a small, portable device.

This newly discovered wonder material is called as KBNNO. The details about it has been published in the journal Applied Physics Letters.  

Content: https://www.sciencedaily.com/releases/2017/02/170207142711.htm

Image: https://www.extremetech.com/electronics/203022-clear-smart-glass-that-generates-its-own-electricity


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Mother Tongue: Key To Success At School

25 Apr 18

Research has shown that a child’s mother tongue is the optimal language for literacy and learning for children. For the young learners using the mother tongue ensures better understanding of the content and better attitude towards school in the early years of childhood. Learning one’s mother tongue is very crucial to a child’s overall development. It connects a child to his/her culture and at the same time ensures cognitive development as well as enhances a child’s ability to learn new languages.

The first comprehension of a child starts with the language he/she hears at home. That is the first language that a child learns to comprehend and it plays a very important role in framing and expressing one’s emotion. Mother tongue has a very deep connection with a child’s understanding not because a child hears it while growing up but a child automatically connects to it as these are the same sound that is familiar from the time a child is in the womb even before he/she is born. However, in India things took a different turn due to the long foreign rule. As a matter of fact today saving and learning our mother tongues should not be looked as a romance of the linguist but rather should be an agenda to save our languages and the dialects which have an amazing wealth of information accumulated in them. India is treasure trove of very rich and unique languages, unfortunately, in our country the education policy makers are quite unaware of the linguistic scenario and linguist who understand the crucial role are almost never consulted.

 

 By: Madhuchanda Saxena

 Content: http://www.indiatogether.org/how-mother-tongue-instruction-influences-education-education


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Railway Food Now To Attract 5% GST

24 Apr 18

 Goods and Service Tax (GST) is a single indirect tax that is levied on supply of goods and services. This Goods and Services Act was passed in the Parliament on 29th of March 2017. This act came into effect from the 1st of July 2017. Multiple indirect taxes that the Central Government and the State Governments impose on suppliers and consumers are absorbed by GST. A number of countries around the globe Like Australia, Canada, Malaysia, Singapore, New Zealand have already implemented GST.

Atal Behari Vajpayee our 10th Prime Minister was the first in our country to recommend the idea of adopting GST.  The GST is now one of the most discussed topics at this point of time. One of the reasons for implementation of GST is the impact it will have in keeping the inflation in check. Further the different taxes applicable to different commodities across different states will be now uniform across the country depending on the category of items or services. The GST tax falls under different slabs which are 0%, 5%, 12%, 18% and 28%. There is also a special rate of 0.25% on rough precious and semi precious stones and 3% on gold. Almost 60% of the goods and commodities come under the 18% or the 28% tax bracket. Now recently the Finance Minister has announced the addition of 5% GST on all the catering services, the food and drinks supplied by IRCTC in trains, platform and stations. A letter has been sent by the Finance ministry to the Railway board to clarify any doubt or uncertainty.

 

By: Madhuchanda Saxena

Content: 

https://www.businesstoday.in/current/economy-politics/railway-catering-services-in-trains-stations-to-attract-5-per-cent-gst/story/274359.html

 

 

 

 

 

 

 


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Jupiter Triangle: How To See It In the Night Sky This Month

23 Apr 18

There are always reasons to check out the night sky whether it's the blue moon or the meteor shower, this time it would be Jupiter triangle. It would be seen in the month of April 2018 when the gas giant Jupiter will be forming a rare and fleeting triangle with 2 bright stars to form a beautiful imagery in the night sky and it will be visible to the human eye. The term 'Jupiter's triangle' was coined by Joe Rao, astronomy lecturer at New York's Hayden Planetarium and columnist at Space.com as Jupiter will be seen as the brightest point. The triangle is going to be isosceles in shape and made up of stars Arcturus and Spica.

Arcturus is the 4th brightest star in the night sky and is close at 36.7 light years away from the sun. Spica is actually a binary system (system that has two stars) and is 260 light years away from the Earth. In night sky, these stars appears as a single bright point of light. The triangle can be seen by naked eye from around 11 pm local time in east-southeast direction. No specific tools are needed to see the triangle.

The triangle would be moving continuously throughout the month. The triangle and star will be 20 degrees apart by July 11 and will have a narrow appearance. The triangle will not appear in the night sky until 2030.

By: Neha Maheshwari

Content: https://www.sciencealert.com/jupiter-forms-a-triangle-in-the-night-sky-this-month-here-s-how-to-see-it


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European Space Agency spots a ‘space cat’ in Orion Constellation

21 Apr 18

European Space Agency has found a shape which looks much more like a being belonging to Earth than any of the constellations identified throughout history.It also resembles itself to ‘a fox, running with its mouth open and looking ahead, its vigilant eyes pointing to the right’.

It was spotted by the GAIA satellite, which launched in 2013 and is on a mission to build a 3D map of the Milky Way, our own galaxy. European Space Agency defined it as a black kitten with a white nose, paws in the front stretching towards the right of the frame and tail up towards the left.

This belongs to a dark nebula, a dense cloud of gas and dust in the constellation of Orion, the Hunter, with the cat’s nose (or fox’s eye) corresponding to the Orion Nebula Cluster, a star cluster near the famous Orion Nebula, M42,’ ESA wrote.

 

By: Swati Kaushal

Content: http://metro.co.uk/2018/04/04/european-space-agency-spots-bizarre-space-cat-constellation-orion-7440931/


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Punjab to have English Medium Schools

21 Apr 18

Punjab’s school education secretary has issued an order in schools to decide by their own whether they’re able to implement English as their primary language. The order states, 1886 middle, high and senior secondary schools are going for English as their medium of instruction from this session onward. The rule is not mandatory for students who are willing to continue in Punjabi.

The orders further read that the English-medium books are under printing and will reach the schools soon. Teachers have been instructed to “widely publicise’ the English-medium government schools and increase enrollment. Teachers will also undergo a training to teach in English medium.

 

By: Swati Kaushal

Content: https://www.indiatoday.in/education-today/news/story/punjab-government-schools-to-opt-english-as-their-medium-asked-to-decide-when-to-start-1206071-2018-04-06


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