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ISRO Creates History. Launches India’s First Space Observatory – ASTROSAT ….

September 28, 2015NatarajanLeave a comment

ISRO has successfully launched India’s first dedicated multi wavelength space observatory – ASTROSAT, which is meant to observe distant celestial objects and to gain a more detailed understanding of our universe.

Right after celebrating the completion of Mangalyaan’s first year in the Martian orbit, the Indian Space Research Organization has set yet another milestone today. ISRO got its name etched in the scientific history of the India with the launch of the country’s first dedicated multi wavelength space observatory – ASTROSAT.

A 50-hour countdown for the launch of the scientific satellite began at 8 am on Saturday.

And the final launch took place at 10 am today from the Satish Dhawan Space Centre in Sriharikota, Andhra Pradesh. –

Source: Twitter

ASTROSAT is an astronomy observatory, a place from where India can study different cosmological phenomena. It is meant to observe distant celestial objects and to gain a more detailed understanding of our universe.

The speciality of ASTROSAT is that with just a single satellite, it enables simultaneous multi-wavelength observations of many astronomical elements.

The 1,513-kg satellite, estimated to have cost around Rs. 180 crore, was launched by PSLV-C30 into a 650 km orbit inclined at an angle of 6 degree to the equator. This is the 31st flight of India’s Polar Satellite Launch Vehicle (PSLV), and six small satellites of three foreign countries have also been launched along with ASTROSAT. It is for the first time that the PSLV launcher, which has lifted 45 small and mid-sized foreign satellites till date, is carrying four US Nano satellites. The other satellites are from Canada and Indonesia.

The spacecraft control centre at Mission Operations Complex (MOX) of ISRO Telemetry, Tracking and Command Network (ISTRAC) at Bangalore will manage the satellite during its mission life.

While most of ISRO’s spacecraft are for specific applications such as communication, Earth observation and navigation, this is one among the few scientific satellites launched by the country. According to the official release by ISRO, missions of ASTROSAT include the following:

To understand high energy processes in binary star systems containing neutron stars and black holes
Estimate magnetic fields of neutron stars
Study star birth regions and high energy processes in star systems lying beyond our galaxy
Detect new briefly bright X-ray sources in the sky
Perform a limited deep field survey of the Universe in the Ultraviolet region

ASTROSAT has five payloads which rely on the visible, Ultraviolet and X-rays coming from distant celestial sources.

ASTROSAT in clean room before its integration with PSLV-C30 –

They will gather data for the better understanding of various astrophysical processes occurring in our universe, and will send it to the ground station at MOX. This data will then be processed and distributed by the Indian Space Science Data Centre (ISSDC). While most scientific satellites can observe a narrow range of wavelength band, ASTROSAT will observe universe in the optical, ultraviolet, low and high energy X-ray regions of the electromagnetic spectrum. All major astronomy institutions and some universities in India will also participate in these observations.

The types and functions of the payloads as described by ISRO are as follows:

The Ultraviolet Imaging Telescope (UVIT, capable of observing the sky in the Visible, Near Ultraviolet and Far Ultraviolet regions of the electromagnetic spectrum

Large Area X-ray Proportional Counter (LAXPC, is designed for study the variations in the emission of X-rays from sources like X-ray binaries, Active Galactic Nuclei and other cosmic sources.

Soft X-ray Telescope (SXT) is designed for studying how the X-ray spectrum of 0.3-8 keV range coming from distant celestial bodies varies with time.

Cadmium Zinc Telluride Imager (CZTI), functioning in the X-ray region, extends the capability of the satellite to sense X-rays of high energy in 10-100 keV range.

Scanning Sky Monitor(SSM),is intended to scan the sky for long term monitoring of bright X-ray sources in binary stars, and for the detection and location of sources that become bright in X-rays for a short duration of time.

CONGRATULATIONS @isro! PSLV-C30 successfully launches #ASTROSAT into the orbit. pic.twitter.com/3PlK5BLZWR

— Doordarshan National (@DDNational) September 28, 2015

Source……..Tanaya Singh…www.the better india .com

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Here’s How a Quick Thinking Doctor Saved an Asthmatic Kid’s Life on a Plane….

September 28, 2015NatarajanLeave a comment

When Dr. Guru heard that a child on-board a flight that he was in, was suffering an asthma attack, he quickly made an inhaler out of a plastic bottle. The makeshift instrument gave the much needed relief to the child in no time.

When a 2-year-old child suffered an asthma attack during a flight, thousands of feet in the air, his parents didn’t know what to do since they had accidentally packed his medication in their check-in luggage.

The inhaler available in the flight was for adults, and wasn’t of much use.

It could have been an extremely long and painful journey for the child, had it not been for a fellow passenger who quickly created a makeshift inhaler and saved his life. –

The fellow passenger, on the Air Canada flight from Spain to the US, was Dr. Khurshid Guru – Director of Robotic Surgery at Roswell Park Cancer Institute in New York.

When he found out that the child needed immediate medical intervention, he got together a plastic water bottle, a cup, some tape and an oxygen tank to make an inhaler.

He basically converted an inhaler for adults into a paediatric nebuliser, a machine meant to deliver asthma medication by turning it into mist which can then be inhaled through a face mask or mouthpiece.

He attached the adult inhaler to a hole in the bottle and added an oxygen mask through another opening he had made, so that the child could inhale both simultaneously. To make the instrument more convenient, Dr. Guru took a plastic cup and created a hole in it. He then mounted the cup on top of the bottle so that it could be held against the kid’s mouth and nose.

He asked the parents to keep the cup against the child’s mouth for some time, and half an hour later, his oxygen level was back to normal.

Dr. Guru said that it is a wakeup call for all the families to keep such medical instruments with them at all times as you never know when the need might arise. The doctor has worked on several high-tech robots to treat patients in the past. –

All pics: Twitter

Source….Shreya Pareek

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The Best Pictures of the Super Moon….

September 27, 2015NatarajanLeave a comment

Hello pretty … the full moon rises between clouds in Berlin. Picture: AP Photo/Gero Breloer

LAST night’s spectacular full moon was a treat for many Australian skywatchers, but in other parts of the world it was merely the overture to a total lunar eclipse.

When a full or new moon makes its closest approach to Earth, that’s a supermoon. A combination of a supermoon and a total lunar eclipse has not been seen since 1982 and will not happen again until 2033.

The supermoon rises behind Glastonbury Tor in Somerset, England. Picture: Matt Cardy/Getty ImagesSource:Getty Images

A flock of birds fly by as a perigee moon, also known as a super moon, rises in Mir, Belarus. Picture: AP / Sergei GritsSource:AP

A perigee moon rises in the sky above the La Concha Beach, in San Sebastian, northern Spain. Picture: AP Photo/Alvaro BarrientosSource:AP

Although still about 220,000 miles (354,055 km) away, it was still the closest full moon of the year, about 30,000 miles (48,280km) closer than the average distance. (The moon’s orbit is far from a perfect circle.)

Skywatchers in North and South America, Europe, Africa and western Asia are expected to be able to see the lunar eclipse, when the moon, Earth and sun will be lined up, with Earth’s shadow totally obscuring the moon

The moon is seen against the peak of the tomb of Jama Masjid in New Delhi. Picture: AFP / Chandan KhannaSource:AFP

The full moon is seen on the city skyline as Indian devotees carry statues of elephant-headed Hindu god Lord Ganesha for immersion in the Arabian Sea in Mumbai. Picture: AFP / Punit ParanjpeSource:AFP

The full moon rises behind Lisbon’s St. George castle. Picture: AP / Armando FrancaSource:AP

The event is due to happen at 10.11pm on America’s east coast (12pm AEST) and the ellipse should be visible for more than an hour, weather permitting.

There won’t be another total lunar eclipse until 2018.

This eclipse marks the end of a tetrad, or series of four total lunar eclipses set six months apart. This series began in April 2014.

The 21st century will see eight of these tetrads, an uncommonly good run. From 1600 to 1900, there were none.

NASA planetary scientist Noah Petro is hoping the celestial event will ignite more interest in the moon. He is deputy project scientist for the Lunar Reconnaissance Orbiter, or LRO, which has been studying the moon from lunar orbit since 2009.

Rising big and full in Lausanne, Switzerland. Picture: AFP / Fabrice CoffriniSource:AFP

An Indian man leans on a wall on top of a building in New Delhi as the moon does time as a backdrop. Picture: AFP / Roberto SchmidtSource:AFP

A full moon shines behind a tower of the Jama Masjid mosque in New Delhi. Picture: AFP / Roberto SchmidtSource:AFP

“The moon’s a dynamic place,” Petro said Wednesday. “We’re seeing changes on the surface of the moon from LRO. We’re seeing that it’s not this static dead body in the sky … it’s this great astronomical object that we have in our backyard, essentially. So people should get out and start looking at it.”

Many stargazers, professional and amateur alike, dislike the term “supermoon,” noting the visible difference between a moon and supermoon is slight to all but the most faithful observers.

“It’s not like the difference between an ordinary man and Superman,” said Alan MacRobert, a senior editor at Sky & Telescope magazine. “It really ought to be called a tiny, slightly little bit bigger moon, rather than the supermoon.”

People watch a full moon rising in Berlin. Picture: AP Photo/Gero BreloerSource:AP

Source….www.news.com.au

Natarajan

Now, fly from Delhi to San Francisco non-stop on Air India….

September 27, 2015September 27, 2015Natarajan1 Comment

Air India is planning to launch a direct flight between New Delhi and San Francisco in December. The thrice-a-week flight, which will cover the distance in 16 hours, will be the first direct flight between India and the US west coast.

On the San Francisco route, Air India will use its three Boeing 777-200LR aircraft.

Sources said the airline had already secured slots at the San Francisco airport and was planning for a December launch. “It will be a Delhi-San Francisco flight and we are working on hub-and-spoke connections,” said a senior airline executive.

Earlier, the airline was considering a Bengaluru-Delhi-San Francisco flight, deploying a Boeing 777 aircraft on the entire route.

Currently, Air India operates daily non-stop flights to Chicago and New York (from New Delhi) and Newark (from Mumbai). The Mumbai-Newark flight, which takes 16 hours, is the longest flight from India as of now.

On the New Delhi-San Francisco route, Air India will compete with major airlines from Europe, the Gulf countries and East Asia. As of early 2014, about 600 passengers travelled daily between Delhi and San Francisco (one-way); all opted for flights that went via another location, according to Delhi International Airport Ltd data.

Air India has three Boeing 777-200LR aircraft, with 238 seats (eight first class; 35 business class and 195 economy class). Currently, these flights are sparingly used on routes to Saudi Arabia. These are among the 68 Boeing planes it ordered in 2005 for long-haul routes. In 2013, Air India sold five planes in this category to Etihad for $68 million. It had said retaining the fuel-guzzling aircraft would have aggravated losses.

Initially, the airline plans to offer a three-class service to San Francisco. The Air India management is also considering reconfiguring its Boeing 777-200LRs through the next few months, doing away with the first class and increasing the economy class seats. In the past, the airline has found it difficult to sell eight first-class seats on the route and occupancy in the premium segment has been poor.

With domestic jet fuel prices down 41 per cent year-on-year, Air India is likely to keep its operating costs down. And, rising passenger demand is likely to boost yields.

Bengaluru and Delhi are the top source markets for San Francisco flights. Air India’s marketing efforts will be weak if passengers from Bengaluru have to change aircraft in Delhi. Also, rival airlines offer daily connections to San Francisco,” said Devesh Agarwal, editor of Bangalore Aviation, an aviation blog.

In the past, other Indian airlines, too, have explored connectivity with the US west coast. Air India operated flights to Los Angeles through Frankfurt, while Jet Airways briefly flew to San Francisco via Shanghai. Though Kingfisher Airlines considered starting a Bengaluru-San Francisco flight, the plan didn’t take off.
LONGEST FLIGHT ROUTES

Dubai – Panama City: 13,821 km; 17 hrs 35 mins (Emirates)
Dallas – Sydney: 13,802km; 16 hrs 50 mins (Qantas)
Atlanta – Johannesburg: 13,573 km; 16 hrs 40 mins ( Delta)

Note : Emirates proposes to launch a Panama City flight in February 2016; Route planning is automated and routes chosen by airlines vary daily, based on en route wind conditions and the temperature and weather

Source…..www.Aneesh Phadnis ….in www.business-standard.com and http://www.malaymailonline.com

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Image of the Day…Nile at Night

September 26, 2015NatarajanLeave a comment

NASA astronaut Scott Kelly, recently past the halfway mark of his one-year mission to the International Space Station, photographed the Nile River during a nighttime flyover on Sept. 22, 2015. Kelly (@StationCDRKelly) wrote, “Day 179. The #Nile at night is a beautiful sight for these sore eyes. Good night from@space_station! #YearInSpace.”

Image Credit: NASA

Source……www.nasa.gov

It Was Mangalyaan’s First Birthday, and ISRO Celebrated It with a Mars Atlas….

September 25, 2015NatarajanLeave a comment

To celebrate the completion of Mangalyaan’s first year in the orbit around Mars, ISRO has released a Mars Atlas which is a compilation of all the amazing pictures and data collected from the red planet so far.

The Mars Orbiter Mission spacecraft, which entered the Martian orbit on September 24, 2014, has completed one year of its life around the red planet.

Marking the first anniversary – the day on which India created history by successfully placing Mangalyaan in the orbit around Mars, the Indian Space Research Organization (ISRO) has released a commemorative Mars Atlas.

Source: isro.gov.in

“With the launch of Mars Orbiter Mission (MOM) on 5th November 2013, India has ushered a new era of planetary exploration of Mars and its environment,” says the introduction in the atlas.

It is a compilation of many spectacular images obtained by the Mars Colour Camera (MCC).

In this past year, all five payloads of MOM have collected a large set of data, and all of it is a part of this scientific atlas.

“The images from MCC have provided unique information about Mars at varying spatial resolutions. It has obtained Mars Global data showing clouds, dust in atmosphere and surface albedo variations, when acquired from apoapsis at around 72000 km. On the other hand high resolution images acquired from periapsis show details of various morphological features on the surface of Mars. Some of these images have been showcased in this atlas. The images have been categorized depending upon the Martian surface and atmospheric processes,” said the official ISRO release informing about the atlas.

The atlas has been released by the Space Applications Centre of ISRO in Ahmedabad. It provides a lot of information in vivid detail, explaining the different features of the red planet such as its craters, moons, volcanic features, tectonic features and more. And all of it is accompanied by Mars’s brilliant pictures.

The MOM spacecraft, which was designed, built and launched in just two years, has five scientific instruments to record five different aspects of the planet. These include the geology, morphology, atmospheric processes, surface temperature and atmospheric escape process.

While the Mars mission was initially planned for just six months, it is now expected to last longer. The ISRO chairman, AS Kiran Kumar, recently informed that the mission can last many years because they have not seen any failures so far, and about 35kg of fuel is still left in the spacecraft.

Happy first birthday in space, MOM!

You can download the atlas here.

Source…. Tanaya Singh ….www.the betterindia.com

Natarajan

India Has a New Eco Friendly Airport Terminal. And It Is More than Just Amazing! ….

September 25, 2015NatarajanLeave a comment

The new terminal at the Chandigarh international airport in Mohali, inaugurated recently by Prime Minister Narendra Modi, is the first airport in the country that is ‘totally green’, and can potentially change the way airports are built in the country henceforth.

Spread over 53,000 sq. m, the brand new terminal at the Chandigarh airport has been designed around the green building concept, right from the start. The terminal will handle both domestic as well as international flights.

The use of environment-friendly green technologies make this airport one of its kind, not only in India, but also in the world.

Airports all across the world cannot dazzle and amaze travelers without their huge displays of artificial lights — which add on to their maintenance and running costs, not to speak of environmental degradation. But this Chandigarh airport terminal is different. No artificial lights would be required to illuminate it during the daytime.

The terminal has achieved a 4-star GRIHA (Green Rating for Integrated Habitat Assessment) rating.

A transparent façade is the defining motif of this airport terminal. The glass that has been used on the façade is low-heat gain glass. This automatically reduces the need for a large amount of air conditioning, which is a bane associated with the glass-based architectural structures that have started mushrooming and dominating urban and emerging landscapes all over the country. Also, the air-conditioning is guided by the principal of thermodynamics, that is, if the sensors sense body heat, the air-conditioning starts working in that zone; otherwise it gravitates to a sleep mode.

Energy efficiency, in fact, has been another guiding motif in the construction of the airport.

The rooftop of the terminal has a 200KW solar plant which is enough to meet the major power needs of the building. Forty percent of the airport is illuminated with LEDs and the air-conditioning is fired by chiller efficient machines. There is also a lawn which has been laid out right inside the terminal.

Built by Larsen and Toubro (L&T), the terminal sets a new sustainability benchmark with green technologies like 55 lakh fly ash bricks, cavity walls, double insulated roofing, energy efficient chillers, and a sensor-based plumbing system to save water. Such an extensive use of fly ash bricks in a civil structure could serve as a shot in the arm for the progressive deployment of fly ash bricks in construction. And this can go a long way in indirectly serving the cause of the environment. Fly Ash bricks are made of fly ash, lime, gypsum and sand. Hence, the more we shift to fly ash, the less we use of the top layer of soil to make conventional bricks.

Besides, the airport has a sewage treatment plant with a capacity of 600 KLD, which is based on environment-friendly extended aeration technology.

Thus all the treated water will be reused for flushing and gardening. This idea of re-cycling water is again a major step forward towards environmental sustainability. –

While Punjab wishes to name it after Shaheed Bhagat Singh and append the name Mohali at the end, Haryana wishes to call it just Chandigarh airport. But, no matter what is finally decided, the new airport is a matter of pride not only for Punjab, Haryana, Himachal Pradesh, and Jammu and Kashmir, states that it will likely benefit, but for the whole country.

Photo Credits: Vikram Singh

Source….Nalin Rai in http://www.thebetterindia.com

Natarajan

From America to Australia in Under 6 Hours…!!!

September 25, 2015NatarajanLeave a comment

JustJ100 years ago, getting from America to Europe was a voyage that took several days by ocean liners. With the invention of airplanes, that travel time was significantly shortened to under 24 hours. At the apex of the era of transatlantic flight, the Concorde was able to fly 100 passengers at Mach 2.0 speeds from New York to London in just over 3.5 hours.

Sources: 1 | 2

Now, the European Space Agency (ESA) just greenlighted the next stage of modern transportation – the hypersonic flight. The ESA has approved a new round of funding to project LAPCAT (Long-Term Advanced Propulsion Concepts and Technologies).

Hypersonic Plane

Ignoring its funny name, the new plane will fly at Mach 5.0 speed (that’s five times the speed of sound!), using liquid hydrogen engines. The planes will be able to travel from England to Australia in four hours, carry 300 passengers and even fly to space in just 15 minutes.

The new kind of engine is being developed by the British company Reaction Engines, who are said to invest over 60 million GBP in the development, and are going to start builing a full-scale prototype engine.

Hypersonic Plane
Current jet engines require that airplanes carry liquid oxygen as a coolant because in speeds beyond Mach 3.0 the engines cannot use external oxygen for cooling. The new type of engine can use external oxygen freely, allowing it to cool down its engines from over 1,000°c (1,832°f) to -150°c (-328°f) in a fraction of a second.

Hypersonic Plane

Experts are hailing this development as the biggest advancement in aviation since the invention of the jet engine. The cost of a single plane is estimated to be a whopping $1.1 Billion and will have no windows.

All LATAP images: Source

This interesting video explains the LAPCAT’s abilities:

So would you be willing to fly in a windowless super-fast rocket?

Source…www.ba-bamail.com and http://www.youtube.com

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Clever Idea to Solve Boarding Hassles ….

September 24, 2015September 24, 2015NatarajanLeave a comment

PLANE designers have been racing to discover the next wave of revolutionary aircraft interiors.

Whether airlines want to save space, lighten their load or speed up boarding times, engineers have come up with dozens of solutions — and not all of them seem comfortable.

The latest seat design from US-based Molon Labe Designs claims it has the one-row-fits-all solution for airlines looking to save big money on fuel costs and make the boarding process more efficient.

The Side-Slip features a typical three-seat per row configuration, but, with the simple push of a button, the aisle seat glides over the middle seat creating a wider aisle — from the standard 19 inches to 41 inches.

“I was travelling a lot, and I was always running late and just wanted to get off the plane faster,” Hank Scott, founder and CEO of Molon Labe Designs and inventor of the Side-Slip seat, told the Denver Post.

“I just started thinking about it, and ideas popped into my head … Now the line won’t stop. Just get out of the way and let people walk around you.”

Move over …Source:

Side-Slip’s seat configuration not only features an adjustable aisle seat, but the middle seat is a roomier 20 inches wide. The aisle and window seats are 18 inches wide, in line with industry averages.

The flexible seats are being targeted at lower-cost airlines making multiple trips per day, usually less than three hours. Some carriers have cited turnaround time as a major obstacle to staying on schedule.

Scott believes with more an efficient boarding and deplaning process, the Slip-Seat configuration could save these airlines big money in the long run.

The US trade organisation Airlines for America estimates that every minute a plane sits docked at a gate with the engine running costs about $US81-100 ($115-143) in fuel and associated costs.

The Slip-Slide team conducted boarding efficiency trials with their aisle seats using the “sit anywhere” boarding method favoured by some airlines, and block boarding used by most carriers, with impressive results.

When the sliding seats are fully folded up, boarding efficiency is improved by 4.5 minutes during random boarding and a full 6.7 minutes — or 33 per cent — for blocking boarding. If an airline performs 1,000 turnarounds a day, 6.7 minutes amounts to nearly $957,000 saved per day — about $350 million a year.

“If you can offer a product that makes the airlines save fuel and increase revenue, and also makes the passengers more comfortable and less stressed — it’s a win-win,” said Scott.

Side-Slip debuted their seats last week to hundreds of airline executives at the annual World Low Cost Airlines Congress in London. They are currently undergoing the Federal Aviation Administration’s certification process.

This story originally appeared on Fox News.

Source……www.news.com.au

Natarajan

The amount of space junk around Earth has hit a ‘critical density’ — and it could be a massive problem…

September 23, 2015NatarajanLeave a comment

Since humans launched Sputnik 1 in 1957, we have polluted the once-empty space around Earth to the point that it is now becoming dangerous, according to former NASA scientist Donald Kessler.

“We’re at what we call a ‘critical density’ — where there are enough large objects in space that they will collide with one another and create small debris faster than it can be removed,” Kessler recently told Marketplace.

For nearly 20 years, Kessler (who retired very recently) lead NASA’s Orbital Debris Program Office, which keeps track of all the growing clutter around Earth.

He predicts that eventually, there will be so much space junk that leaving Earth to explore deep-space will be impossible. That includes sending satellites to distant stretches of the solar system, like Pluto, and manned-missions to Mars.

Something must be done, he says. So he’s come out of retirement to help find a solution.

So much space stuff

Endeavour had a major impact on its radiator during STS-118. The entry hole is about 1⁄4 inch, and the exit hole is twice as large.

Right now, more than half a million pieces of man-made space junk orbiting Earth. And about 23,000 of those pieces are the size of a softball or larger.

This junk accumulates over time as defunct satellites are left in space and meteors, as well as other man-made space debris, slam into them, generating even more, smaller bits of junk.

After these collisions, the junk doesn’t simply go flying off into space. Instead, it is trapped by Earth’s gravity, and wraps like a belt around Earth, cluttering up our path to space.

While the size of this debris is an important factor, the speed at which it zips through space is what makes it so dangerous.

At a distance of over 200 miles above Earth’s surface, objects move at about 17,500 miles per hour.

For comparison, that’s faster than a speeding bullet fired from an AK-47 assault rifle — which is about 1600 miles per hour.

Needless to say, if your spacecraft were hit with a softball-size scrap of metal travelling at 17,500 miles per hour, it could do some critical damage.

For example, in 2009, a retired Russian satellite collided with a US commercial satellite, and the results were catastrophic. The collision destroyed both satellites, adding over 2,000 pieces of space junk to that already-growing pile.

A solution won’t be easy

Collisions like these, together with the growing number of satellites we place into orbit, have brought us to the “critical density” that Kessler is so worried about.

Elon Musk, CEO of Tesla and SpaceX, has hopes to send 4,000 satellites into low-Earth orbit — where most of the space junk is located — to provide internet worldwide. But there’s one small problem: If Musk gets his wish, those satellites would only add to the problem.

While launching more satellites to space isn’t a great idea, it’s not the main problem. Most of the stuff we send up doesn’t come down, and it is those dead satellies that we need to focus on, Kessler said.

“The only way to [solve this problem] is to bring back the larger objects,” Kessler told Huffington Post in 2013. “If you want to stop this collision cascading process, you have to bring back satellites, and we don’t know how to do that.”

If we can’t figure out how to return large satellites to Earth, then Kessler says we’ll just have to start picking all the pieces up one-by-one — while travelling at 17,500 mph.

It won’t be an easy task.

Source…. Jessica Orwig in http://www.businessinsider .com.au

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