Tuesday October 17, 2017

American Elementary School Offers Living Science Lessons to children

The innovative feature about the school is that whole building turns into a teaching tool or open laboratory where kids can’t help but learn about science and its uses

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Image Source : wikipedia

ARLINGTON, VIRGINIA— Discovery Elementary School is a school which truly understands the importance of the science. This elementary school based in America uses zero traditional energy and makes use of onsite renewable energy sources.

The innovative feature about the school is that whole building turns into a teaching tool or open laboratory where kids can’t help but learn about science and its uses. The school’s emphasis on science is so strong that kids learn about food waste management in cafeteria and in playground where they see renewable energy in action.

“Every single roof surface on the building is covered with the solar panels, the energy collected is then converted to alternating current which is put back into the grid” Said Greg Rusk, instructional technology coordinator.

An elementary school in US. Image source: Flicker
An elementary school in US. Image source: Flicker

More than three-fourth of the building has glass walls to increase the sun light coming into the building and maximise the use of day light. The use of solar tubes and highly efficient led has resulted in reduction of energy used as well for lighting the core areas of the building where sun light cannot reach.

The sealing also contain noise panels to reduce the overall noise level in the building.

Grey says “It a very open building, so there is large sound deflection and so the panels are in placed on the ceiling to absorb some of that sound to keep students  focused on learning.”

The school also has an inbuilt slide which can be used by the students to reach to different class with some fun. Every classroom has different type of seating to give students and teacher personal learning space.

“This kind of open building where it is highly configurable sort encourages students to work together and teachers are creating projects that help student understand the value of working together to solve bigger problems” explains Greg.

https://www.youtube.com/watch?v=_nJTRpgwcnQ

A student named Anna investigated the geothermal wells under the playground which captures energy from the Earth’s crust.

Anna says “I learned like where they were , how deep they were how they helped in that zero energy and how they played the part. If you are just reading science , you have pictures and examples but its also kind of cool to see them real life”

Erin Ruso, principle of the Discovery elementary says “ we are just beginning to learn about the building and to incorporate, how that can enhance student learning. So we always do say we are a work in progress.”

-by Bhaskar Raghavendran

Bhaskar is a graduate in Journalism and mass communication and a reporter at NewsGram. Twitter: bhaskar_ragha

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Astronomers discovered Sun-like star that devoured its own planets

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Astronomers discovered Sun-like star that devoured its own planets

New York, Oct 13: Astronomers have discovered that a Sun-like star lurking around 350 light-years away consumed the rocky equivalent of 15 Earths.

Dubbed Kronos after the child-eating Titan of Greek mythology, the star is the clearest and most dramatic case yet of a Sun-like star consuming its own planets, said Semyeong Oh, astrophysicist at Princeton University in New Jersey and lead author of the study.

“Even if our Sun ate the entire inner solar system, it wouldn’t come close to the anomaly we see in this star,” study co-author David Hogg from the Flatiron Institute in New York added.

The research did not begin as a hunt for a planet-eater.

Oh was analysing a catalog of new star data collected by the European Space Agency’s Gaia spacecraft for pairs of stars with similar speeds and trajectories.

Such duos are typically twin stars that formed close together from the same ingredients.

The analysis ultimately led to the identification of Kronos and its lesser known brother Krios.

Their official designations are HD 240430 and HD 240429, and they are both about 350 light years from Earth.

The keys to the discovery were first confirming that the widely separated pair are in fact a binary pair, and secondly observing Kronos’ strikingly unusual chemical abundance pattern, Oh explained in a statement released by the Princeton University.

Other co-moving star pairs have had different chemistries, Oh explained, but none as dramatic as Kronos and Krios.

Most stars that are as metal-rich as Kronos “have all the other elements enhanced at a similar level,” she said, “whereas Kronos has volatile elements suppressed, which makes it really weird in the general context of stellar abundance patterns.”

In other words, Kronos had an unusually high level of rock-forming minerals, including magnesium, aluminium, silicon, iron, chromium and yttrium, without an equally high level of volatile compounds — those that are most often found in gas form, like oxygen, carbon, nitrogen and potassium, the study said. (IANS)

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Researchers Claim The Existence Of Planet Nine

Researchers from an American University have laid evidences to prove the presence of Planet Nine

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Planet Nine
Kuiper Belt indicates the presence of Planet Nine
  • The science communities since a long time have been debating upon the existence of Planet Nine. 
  • Space highlights different shreds of evidence based on which scientists are stating the claim.

What Is Planet Nine?

Planet Nine is a hypothetical planet present in the far outer Solar System, whose mass is estimated to be 10 times more than the mass of Earth. The planet is said to be 20 times farther than the sun than Neptune is.

What Do Researchers Have To Say?

Dr Konstantin Batygin, a planetary astrophysicist at the California Institute of Technology, said that there were five different lines of observational evidence which pointed to the existence of Planet Nine. He stated that if this theory does not sound believable, then people would have to come up with the answers of the five pieces of evidence which could lead to further confusion.

Also Read: Five Students from Telangana Selected for the NASA Human Exploration Rover Challenge

Batygin in 2016 published a study examining the six known objects in the Kuiper Belt, a  circumstellar disc in the Solar System beyond the planets that extends from the orbit of Neptune towards interstellar space.

The study examines all the objects have elliptical orbits pointing in the same direction and are tilted the same way. These serve as evidence to the planet’s existence.

It is being said that the objects are tilted 30 degrees downward compared to the plane where the eight official planets circle the sun. Researchers also made use of computer simulations of the solar system including the Planet Nine and to demonstrate that there should be more objects tilted a whopping 90 degrees to solar plane. It was revealed that five such objects, which fit these parameters were already known.

The study led to the birth of two more ideas. Researchers said that this planet could have tilted the planets of the solar system during the last 4.5 billion years.

Planet Nine’s existence could also tell the reason as to why Kuiper Belt objects orbit in the opposite direction as compared to other things in the solar system.

-Prepared by Megha Acharya of NewsGram.

(the story was originally published in PTI)

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Las Vegas Massacre Begs the Question: Who Regulates Gun Selling?

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Las Vegas Metro Police and medical workers stage in the intersection of Tropicana Avenue and Las Vegas Boulevard South after a mass shooting at a music festival on the Las Vegas Strip in Las Vegas, Nevada, Oct. 1, 2017. VOA
  • By Salil Gewali

Oct 08, 2017: Money can do any harmful thing. Yes, now it seems that one can buy lethal weapons as easily as he buys his bread and butter from a store and the recent las vegas massacre proves this. How many have such violent cases happened in a couple of years? They are countless. They all have instantly extinguished the lives of endless innocent people. Sometimes Mississippi, Newtown, Texas, Las Vegas, and sometimes France, Kuwait, Manchester, Landon Bridge, Lahore…! In each case, if we go deeper, the big boss America is directly or indirectly responsible.

Well, as to the rise of gun culture in the USA, I totally blame its Government. The very recent Las Vegas massacre shocked the entire the world. How can the US Government allow Tom, Dick, and Harry to purchase the weapons? The police have found a stockpile of arsenal from the possession of perpetrator Stephen Paddock who killed 59 people, leaving 527 wounded. How did he procure this all deadly stuff? And what had stopped the government from totally banning gun selling in any manners in the wake of the cruel instances of shootings at various spots? Small kids are shooting themselves, schoolboys shooting their classmates for fun, sons gunning down fathers and mothers in a rage, wives shooting their hubbies over petty issues.

Las Vegas Massacre
Assault weapons and handguns are seen for sale at Capitol City Arms Supply in Springfield. VOA

Also Read: Las Vegas Mass Shooting Reignites Gun Debate in US Congress 

This is how the most advanced country in the world is now virtually reeling from a stream of horrific tragedies. Are not the leaders and business houses insanely stupid who all have been resisting the gun control legislation? They have not realized yet the “evil” also roars from gun barrels. Bluntly speaking, can these leaders give sharp daggers to their own kids? It is exactly like that. People may have grown up but their minds are cluttered with gory thoughts and sadism. And, the results are nowhere to make the world shudder with fear and anguish.

One wonders, how much more such dangerous tragedies should strike the mankind before the leaders come to sense and then act sensibly. No one should gamble with the life of the innocent. Explosive America cannot hit the jackpot for the humanity.

Salil Gewali is a well-known writer and author of ‘Great minds on India’. Twitter @SGewali