World's first 5G phone released in South Korea

Agencies
April 5, 2019

Seoul, Apr 5: Samsung Electronics on Friday released the Galaxy S10 5G, the world's first available smartphone with built-in fifth-generation communications technology, as South Korea seeks to build a lead in the transformative system.

On Wednesday the South became the first country to commercially launch nationwide 5G services, with three superfast networks going live offering data speeds that allow users to download entire movies in less than a second.

Hours later US giant Verizon began commercial services in Chicago and Minneapolis, after rival AT&T made a 5G-based system available to selected users in parts of 12 cities in December.

South Korea's three mobile carriers -- SK Telecom, KT and LG Uplus -- held launch events across Seoul for the Galaxy S10, whose base version costs 1.39 million won ($1,200).

Interactive virtual-reality displays and robot demonstrations were on show to tout the capabilities of the latest iteration of mobile internet speed, and new users were excited about the possibilities, especially live streaming of sports games and university lectures.

"I watch a lot of videos often, movies and lectures," said buyer Shim Ji-hye, 38. "I hope faster speeds will help me manage my time better."

Another user said he was most excited about virtual reality content -- which includes games and even "celebrity VR dating" apps according to the country's mobile carriers.

With 5G, said researcher Lee Sang-yoon, VR content "can be enjoyed in real time with no delay... I'll be able to enjoy it in better resolution and speed".

Before Friday's roll-out of the Samsung phone, the 5G service had been restricted to a handful of specially selected users in South Korea.

Rival manufacturer LG is due to launch its V50 ThinQ, another 5G phone, in the South later this month, while in the US, Verizon's network works with Lenovo's Moto Z3 smartphone fitted with a special accessory.

Commercialising 5G gives South Korea the chance to build around the technology, which is crucial for the future development of devices such as autonomous vehicles and the Internet of Things.

It is expected to bring about $565 billion in global economic benefits by 2034, according to the London-based Global System for Mobile Communications, an industry alliance.

The implications of the new technology have pitted Washington against Beijing -- whose firms dominate 5G technology -- in an increasingly bitter standoff.

The US has pressed its allies and major economies to avoid 5G solutions from Chinese-owned telecom giant Huawei, citing security risks that technological backdoors could give Beijing access to 5G-connected utilities and other components.

Chinese entities own a total of 3,400 5G patents -- more than a third of the total, according to data analysis firm IPlytics -- with 1,529 of those registered by Huawei.

South Korea comes next, with its companies holding 2,051 patents, while US firms have 1,368 together.

Neither KT nor SK Telecom use Huawei technology in their 5G networks, but it is a supplier to LG UPlus, the companies told news agency.

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News Network
February 26,2020

Feb 26: In a midnight hearing, the Delhi High Court directed police to ensure safe passage to government hospitals and emergency treatment for those injured in the communal violence erupted in northeast Delhi over the amended citizenship law.

The court held a special hearing, which started at 12:30 am, at the residence of Justice S Muralidhar after receiving a call from an advocate explaining the dire circumstances under which the victims were unable to be removed from a small hospital to the GTB Hospital.

A bench of Justices S Muralidhar and Anup J Bhambhani directed the Delhi Police to ensure safe passage of the injured victims by deploying all resources at its command and on the strength of this order as well as to make sure they receive immediate emergency treatment if not at the Guru Teg Bahadur Hospital then at the Lok Nayak Jai Prakash Narayan Hospital (LNJP) or Maulana Azad or any other hospital.

The bench also called for a status report of compliance, including information about the injured victims and the treatment offered to them, and the matter will be heard during the day at 2:15 pm.

It said the order be communicated to the medical superintendents of the GTB and the LNJP Hospitals.

The urgent hearing was conducted after advocate Suroor Mander called the judge and sought urgent orders for safe passage of ambulances for the injured.

The Delhi Police and the government were represented through additional standing counsel Sanjoy Ghose.

During the hearing, the bench spoke over phone to doctor Anwar of the Al-hind Hospital in New Mustafabad who told the court that there were two bodies and 22 injured persons there and he had been trying to seek police assistance since 4 pm on Tuesday without success.

The court then directed the senior officials to reach to the hospital forthwith, following which they started the process of evacuating the injured to the nearest hospitals.

It also said this order be brought to the knowledge of the Delhi Police Commissioner.

Communal violence over the amended citizenship law in northeast Delhi claimed at least 18 lives till Wednesday.

On Tuesday, the violence escalated in northeast Delhi as police struggled to check the rioters who ran amok on streets, burning and looting shops, pelting stones and thrashing people.

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Agencies
July 2,2020

Leiden, Jul 2: Astronomers have discovered a luminous galaxy caught in the act of reionizing its surrounding gas only 800 million years after the Big Bang.

The research, led by Romain Meyer, PhD student at UCL in London, UK, has been presented at the virtual annual meeting of the European Astronomical Society (EAS).

Studying the first galaxies that formed 13 billion years ago is essential to understanding our cosmic origins. One of the current hot topics in extragalactic astronomy is 'cosmic reionization,' the process in which the intergalactic gas was ionized (atoms stripped of their electrons).

Cosmic reionization is similar to an unsolved murder: We have clear evidence for it, but who did it, how and when? We now have strong evidence that hydrogen reionization was completed about 13 billion years ago, in the first billion years of the universe, with bubbles of ionized gas slowly growing and overlapping.

The objects capable of creating such ionized hydrogen bubbles have however remained mysterious until now: the discovery of a luminous galaxy in which 60-100 percent of ionizing photons escape, is likely responsible for ionizing its local bubble. This suggests the case is closer to being solved.

The two main suspects for cosmic reionization are usually 1) a population of numerous faint galaxies leaking ~10 percent of their energetic photons, and 2) an 'oligarchy' of luminous galaxies with a much larger percentage (>50 percent) of photons escaping each galaxy.

In either case, these first galaxies were very different from those today: galaxies in the local universe are very inefficient leakers, with only <2-3 percent of ionizing photons escaping their host. To understand which galaxies governed cosmic reionization, astronomers must measure the so-called escape fractions of galaxies in the reionization era.

The detection of light from excited hydrogen atoms (the so-called Lyman-alpha line) can be used to infer the fraction of escaping photons. On the one hand, such detections are rare because reionization-era galaxies are surrounded by neutral gas which absorbs that signature hydrogen emission.

On the other hand, if this hydrogen signal is detected it represents a 'smoking gun' for a large ionized bubble, meaning we have caught a galaxy reionizing its surroundings. The size of the bubble and the galaxy's luminosity determines whether it is solely responsible for creating this ionized bubble or if unseen accomplices are necessary.

The discovery of a luminous galaxy 800 million years after the Big Bang supports the scenario where an 'oligarchy' of bright leakers emits most of the ionizing photons.

"It is the first time we can point to an object responsible for creating an ionized bubble, without the need for a contribution from unseen galaxies.

Additional observations with the upcoming James Webb Space Telescope will enable us to study further what is likely one of the best suspects for the unsolved case of cosmic reionization," said Meyer.

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News Network
March 19,2020

New Delhi, Mar 19: Hit hard by coronavirus, budget carrier IndiGo today announced that it will cut salaries of senior employees. IndiGo CEO Ronojoy Dutta, who will himself take a 25% cut in salary, said senior vice presidents and above are taking a 20% pay cut while vice presidents and cockpit crew are taking a 15% pay cut.

With precipitous drop in revenues, the very survival of airline industry is now at stake, Dutta said while announcing the pay cut. "We have to pay careful attention to our cash flow so that we do not run out of cash," Dutta said adding that he knew how hard it was for families to take a cut in "take-home pay".

"With a great deal of reluctance and a deep sense of regret, we are therefore instituting pay cuts for all employees, excluding Bands A and B, starting April 1, 2020," the chief executive officer said. Band A and B are the lowest brackets in salary class, where most of the employees are.

IndiGo's flight operations chief Ashim Mitra had written an email to pilots this morning saying that the economic environment has deteriorated significantly and no airline is insulated from this severe downturn.

"It has become a necessity to initiate some tough calls and we are working on a string of measures that will be shared and implemented over the next few days and weeks," Mitra said.

With countries sealing their borders partially or fully across the world due to the novel coronavirus pandemic, aviation sector has been hit extremely hard as most airlines globally have drastically curtailed their flight operations.

Another budget airline GoAir has already terminated contracts of expat pilots amid curtailed operations due to the coronavirus pandemic.

Citing "unprecedented" decline in air travel, the budget carrier announced it was suspending international operations and offering leave without pay programme to its staff on a rotational basis.

Government-owned Air India may also cut salary of employees by 5% amid its growing financial woes particularly in the wake of the coronavirus pandemic, which has nearly grounded its entire international operations. The reduction will be across the board, according to a PTI report.

The loss-making airline, which is in the process of a second attempt of privatization after failing to get a single buyer nearly two years ago, has already taken some steps such as reduced flying allowances to cabin crew besides withdrawing entertainment allowance to executive pilots, among others.

“Air India is considering a 5 per cent pay cut to its employees as it faces huge financial crisis due to the ongoing coronavirus outbreak, which has brought almost its entire international operations save the US, Canada and a few other markets, to the ground," a source told news agency.

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