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Christopher Nolan's relentless World War II drama Dunkirk is in theatres this weekend, telling a fictional story of the very real British defeat against Nazi Germany in France and subsequent retreat from Europe at the start of the war. Here's the history behind what you see, and what you don't see in Dunkirk.

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Three years late and costing $US13 billion ($16 billion), the USS Gerald R. Ford has finally been commissioned at Norfolk Naval Station in Virginia. The latest aircraft carrier to join the American fleet has been burdened with — and this may shock you, considering we are talking about defence spending — cost overruns and significant delays. Despite being commissioned, it will be at least four years before the carrier will be able to deploy and truly become part of the fleet.

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As Supernatural enters its 13th season, with fans unsure of how long the series can continue, the show's planning an episode about the Wayward Sisters, a group of orphaned young women led by Sheriff Jody Mills (Kim Rhodes) who will emerge as a force against the supernatural — and producers hope that it could become a full-fledged spinoff set in the Supernatural universe.

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NBN needs to ditch copper-based Fibre to the Node, says lobby group Internet Australia, saying it is "essential for Australia's economic and social development" to abandon the technology in favour of Fibre to the distribution point.

And no, it says, it's not too late.

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When Syfy's Superman prequel show Krypton was first announced, everyone thought it was going to be a basic trip back into the past of Superman's origin story before his homeworld went kablammo. It's still that, of course but its Comic-Con panel just revealed that how we get to Jor-El shooting a baby into outer space is going to be so much weirder than you would have guessed.

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Kids and adults, young and old, for recreation and for rehabilitation - video games are now firmly cemented into the daily lives of Australians, with new research showing 67 per cent of us are gaming.

Smashing the stereotype of "mindless fun", video games are increasingly turned to as a way to stimulate, socialise and positively benefit mental health.

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The government of the UK said on Saturday all drones larger than 250 grams will need to be registered with the Department of Transport following a report by aviation authorities drones as small as 400 grams could damage helicopter windshields. Drone owners will also be required to pass a "safety awareness test" demonstrating they understand UK rules on safety and privacy.

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Star Trek: Discovery takes place 10 years before the events of The Original Series, meaning it could easily stand on its own, apart from the rest of the franchise. However, we just learned at San Diego Comic-Con that there's a surprising, weird, and somewhat concerning family connection that producers promise won't break Trek's canon... though it's hard to see how.

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Flo Steinberg, one of the earliest Marvel employees and an American indie comics icon, has passed away. When Marvel Comics began, she and Stan Lee were the company's first and only employees; as Lee's secretary and assistant, she responded to fan mail, helped manage Marvel's small offices with Lee, and ran the Merry Marvel Marching Society, Marvel's first fan club, and saw the company transform into the pop culture icon it is today from the ground up.

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More than 2.3 million vehicles in Australia have been included in a recall of airbags made by Japanese manufacturer Takata in the last eight years. The airbags are in 60 makes of cars sold in Australia, including Honda, Toyota, BMW, Mitsubishi, Subaru, Lexus, Jeep, Nissan, Chrysler, and Dodge.

Here's how to check if your car's airbag has been recalled.