Wednesday, July 1, 2020

World's largest graveyard of Dinosaurs found in South Africa

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Nikhita Gautam

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World's largest graveyard of Dinosaurs found in South Africa

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Global Views 360

Publication Date

July 1, 2020

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‘African dinosaurs’ exhibit at the Iziko South African Museum in Cape Town

‘African dinosaurs’ exhibit at the Iziko South African Museum in Cape Town | Source: Bruce Anderson via Wikimedia

In a village in the eastern cape of South Africa lies one of the most significant dinosaur sites ever found in the world. The site was discovered when a shepherd, Dumangwe Thyobeka found a large bone on his way to his great-grandparents’ graves, in 2015. He then took the bones to a local dinosaur enthusiast, James Rhalene. Commenting on this discovery " Mr. Rhalene said, "Growing up we were told dinosaurs were a myth, I thought they were only tales our grandparents would tell around the fire at story time", and It wasn't until reading some books that I started to believe they may be real. I've been looking into the existence of dinosaurs since 1982. He added, "You can imagine my excitement at being part of this and discovering them in my own backyard. I am so proud. Books will be written about our small village; the world will come to know of us through this discovery.”

These bones are more than 200 million years old, of around the end of the Triassic era and the beginning of the Jurassic one. When the village elder, Sginyane Ralane came to know about the discovery, he reached out to universities in South Africa for looking into it. The news eventually reached Prof. Jonah Choiniere from the University of Witwatersrand in Johannesburg, and in 2018 Jonah and his colleagues started excavating the site. “It has been one of those places where you sometimes find yourself literally tripping over a dinosaur bone. There are very few other sites I've had the chance to work where we have this richness of fossils.” says Prof Paul Barett, a dinosaur expert at The Natural History Museum, UK, after he joined the team.

A reason why this area is abundant in fossils, Natural History Museum explains, is because of the ancient river systems in the area. The area is arid for most of the year now, and the rivers flow only seasonally. However, in the ancient times, there were vast river systems flowing year-round in the region, with wide, shallow rivers which would consequently form a layer of rock 210 million years old which is up to 500 meters thick in some regions. These rivers supported diverse wildlife, including ancestors of crocodiles, possibly those of turtles and mammals and fish, amphibians and reptile-like animals. The existence of such large rivers meant that dead animals nearby would be buried in sediment before they decomposed.  

This discovery is scientifically important for a number of reasons; the era from which these bones are found is a boundary in which a mass extinction occurred. Prof. Jonah is trying to understand how the animals from before that extinction survived and how they flourished after. In the Triassic era, there were multiple dominating animals, like the crocodiles, big mammal-like animals and dinosaurs. In the Jurassic era, however, the dinosaurs are clearly dominating. Why this happened is unclear, and the rocks and fossils from this site might help with that. There were also other animals along with dinosaurs in this site which make it noteworthy. Of the animals found, there were rauisuchians, which relate to modern-day crocodiles, and were dominant on land during the Triassic. The team also found cyclodonts and dicyclodonts, where the cyclodonts are the early ancestors to all mammals, and dicyclodonts are an even earlier branch of the mammalian family tree.

All of these have a significant impact on the community too; the team signed a memorandum of understanding with the local government with huge. After the signing, local officials visited the site at Qhemega. The team has been trying to use the heavy machinery they had brought for moving fossils for improving access in and to the village. They are also developing a curriculum in high schools to include topics about fossil sites and to add geography to the curriculum, to train the younger generation about the mapping used in excavation and in many other scientific fields especially relevant in the mineral-resource rich South Africa.

So far, this site has only provided benefits for everyone involved; new discoveries and confirming data for the scientific community, and economic access, increased opportunities and a matter for pride for the local community.

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February 4, 2021 5:11 PM

Will Cloud Gaming take over the video gaming world?

Video gaming has evolved massively over the years with much better graphics, great storyline, and breathtaking visuals. The fun began with the 8-bit games Super Mario Bros and Contra and later by the arrival of PlayStation. In the 2000s, classics like GTA San Andreas and Portal came which were followed by Call of Duty, Assassin’s Creed, and GTA V.  Now with gaming competitions, eSports, and their likes, gaming has come a long way.

A still from Need For Speed | Source: Electronic Arts

Video gaming have now evolved in multiple genres like racing (Need for Speed), Parkour style (Assassin’s Creed), FPS shooters (Call of Duty and Halo), Horror (Resident Evil series), or Sports games like FIFA. The spread of video games can be gauged by the fact that the highest Football governing body FIFA is backing the FIFA series video games. Game Streaming has gone professional now, professional footballers like Sergio Aguero or current F1 drivers like Lando Norris and Charles Leclerc becoming the online gaming hero.

With the advent of cloud gaming, the industry is now at the cusp of its most radical change. Cloud Gaming aims to provide high-end gaming experience without the super expensive PC hardware which were needed earlier. A gamer now needs just a simple low-end PC or even a smartphone to enjoy high end gaming.

Google has taken the lead in cloud gaming service by launching “Stadia'', followed by Nvidia with “GeForce Now”. Microsoft, which is one of the heavy-hitters of console gaming via their Xbox series, is shortly launching their cloud gaming service xCloud for Android in 22 countries. So anyone with an Android phone and Xbox Game Pass Ultimate subscription, can enjoy the high quality online games on their smartphone.

Google Stadia Booth at Game Developers Conference 2019 | Source: Official GDC via Flickr

Cloud gaming comes with many advantages, the biggest of these is that there is no need to download a huge amount of data for running these games. Most games nowadays come with a download size exceeding 50 GB while some like Call of Duty: Warzone and Red Dead Redemption 2 even require around 100 GB download. Then there comes all the DLCs, patches which again need huge chunks of data. Cloud gaming eliminates it.

NVIDIA Titan RTX |Source: Nvidia

The second advantage is that the above-mentioned games can even run on an Android device. Also, don’t be concerned about the quality of resolution of these cloud-run games. Google Stadia can run games at 4K resolution at 60fps, which is even the limit of the current-gen consoles. They claim to further expand it to 8K at 120fps in the future, which is a quality that the best current Graphics card, the Nvidia Titan RTX hasn’t even reached.

However, with all the advantages, cloud gaming still has some basic shortcomings. The first one among them is the requirement of very high data bandwidth. The idea of playing games at 4K@60fps may seem fascinating, but that will need a steady high-speed bandwidth. For instance, Stadia lists that one needs at least 35 Mbps connection to accomplish the said frame rate and resolution.

The second bottleneck of cloud gaming is that it requires huge amounts of data to run games at such high quality. However the main reason inhibiting its wider adoption is the high cost associated with cloud gaming. For instance, Stadia costs $9.99/month, but it only comes with some select games available for free. Many other games like Assassin’s Creed series are available at Stadia, but these are to be purchased separately and at a price almost on par with the PC and Console version of the game. These shortcomings make one wonder if they are paying a much larger amount of money compared to if they purchased a gaming PC or console.

The world entering the age of 5G internet can be a catalyst to the growth of cloud gaming across the world. It can surely challenge the upcoming next-gen consoles, the Xbox Series X and the PlayStation 5 soon. Microsoft’s approach with its xCloud service looks to be going in sync with its PC and Xbox ecosystem. It will indeed be helpful to the gaming industry in the longer run.

So, the big question arises, can Cloud gaming take over the video gaming world? For the present, the answer is a clear NO! In the future, perhaps.

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