Biggest-ever simulation of the universe could finally explain how we got here
It’s one of the biggest questions humans have asked themselves since the dawn of time, but we might be closer than ever to understanding how the universe developed the way it did and we all came to be here. Computer simulations are happening all the time in the modern world, but a new study is attempting to simulate the entire universe in an effort to understand conditions in the far reaches of the past. Full-hydro Large-scale structure simulations with All-sky Mapping for the Interpretation of Next Generation Observations (or FLAMINGO for short), are being run out of the UK. The simulations are taking place at the DiRAC facility and they’re being launched with the ultimate aim of tracking how everything evolved to the stage they’re at now within the universe. The sheer scale of it is almost impossible to grasp, but the biggest of the simulations features a staggering 300 billion particles and has the mass of a small galaxy. One of the most significant parts of the research comes in the third and final paper showcasing the research and focuses on a factor known as sigma 8 tension. This tension is based on calculations of the cosmic microwave background, which is the microwave radiation that came just after the Big Bang. Out of their research, the experts involved have learned that normal matter and neutrinos are both required when it comes to predicting things accurately through the simulations. "Although the dark matter dominates gravity, the contribution of ordinary matter can no longer be neglected, since that contribution could be similar to the deviations between the models and the observations,” research leader and astronomer Joop Schaye of Leiden University said. Simulations that include normal matter as well as dark matter are far more complex, given how complicated dark matter’s interactions with the universe are. Despite this, scientists have already begun to analyse the very formations of the universe across dark matter, normal matter and neutrinos. "The effect of galactic winds was calibrated using machine learning, by comparing the predictions of lots of different simulations of relatively small volumes with the observed masses of galaxies and the distribution of gas in clusters of galaxies," said astronomer Roi Kugel of Leiden University. The research for the three papers, published in the Monthly Notices of the Royal Astronomical Society, was undertaken partly thanks to a new code, as astronomer Matthieu Schaller of Leiden University explains. "To make this simulation possible, we developed a new code, SWIFT, which efficiently distributes the computational work over 30 thousand CPUs.” Sign up for our free Indy100 weekly newsletter How to join the indy100's free WhatsApp channel Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings
2023-11-16 23:49
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Florence Pugh's nude Oppenheimer scene censored in some countries with 'best ever CGI'
The release of Oppenheimer has got off to a box office success, but fans in some countries have been left feeling cheated after a nude scene with Florence Pugh was censored with CGI. On 21 July, the highly-anticipated Christopher Nolan film was released in movie theatres drawing millions of people around the world to cinemas. The film about the “father of the atomic bomb” stars Cillian Murphy, Emily Blunt, Matt Damon, Robert Downey Jr and Florence Pugh. Pugh, who played the character Jean Tatlock, was pictured after a sex scene sitting naked on a sofa having a conversation with Oppenheimer, played by Murphy. Sign up to our free Indy100 weekly newsletter But for some cinemagoers in India, the full effect of the scene was diminished by the use of CGI to cover Pugh with a dress. To ensure the film would be classified in the U/A category, Universal Pictures made an edit to the Indian version of the film by placing a dress over Pugh to shield the nudity. One user joked: “The best ever CGI work in India award goes to the Indian censor board for Florence Pugh's black dress in Oppenheimer.” But, others pointed out that it wasn’t only India that screened the censored version of the film. According to other Twitter users, the same CGI-edited version was also played in cinemas in Indonesia, Pakistan and the Middle East. Another claimed: “In Malaysia, they deleted both 1st and second sex scenes because they didn't add anything to the plot (it was an R rated movie, I paid to see that). “But they couldn't delete this scene because it's important to the plot so they choose to cover her.” Someone else suggested that in Nepalese cinemas, the Pugh nude scene was simply cut altogether, without them realising the significance it had on the rest of the film. According to figures, Oppenheimer’s domestic opening weekend made a gross of $83m (£64.75m). Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.
2023-07-27 15:21
China foreign minister tells Blinken US should respect China's core concerns
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Ranking all 3 Braves offseason trades so far from worst to best
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2023-11-19 05:59
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