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New 'petabit-scale' optical disc can store as much information as 15,000 DVDs

Scientists have developed a new type of optical disc that can increase information storage capacity to the "petabit" level — 125 terabytes of data, or the combined storage capacity of about 15,000 DVDs.  Optical discs, such as DVDs and Blu-ray discs, are durable and inexpensive. A standard single-layer Blu-ray disc can store 25 gigabytes. By comparison, some USB flash drives can store 1TB, and hard disk drives (HDDs) can hold up to 16TB. But a team of scientists has created a new type of material, called "dye-doped photoresist with aggregation-induced emission luminogens" (AIE-DDPR) with a high areal density (the amount of data that can be stored in a given area) that can offer far denser storage capacity than typical HDDs).  Given the increasing amount of data we generate each day, from instant messages to streaming video, AIE-DDPR optical discs have the potential to revolutionize data storage. Optical discs take up less space than current storage methods, ...

TikTok CEO to meet top EU chiefs amid disinformation worries

TikTok CEO Shou Zi Chew will meet EU industry chief Thierry Breton, EU digital chief Vera Jourova and EU antitrust chief Didier Reynders in Brussels next week, TikTok said on Friday. The visit by Chew, his second to Brussels, comes amid heightened regulatory scrutiny of TikTok's role in the proliferation of dis information following Hamas' attack on Israel last month and the Israel-Hamas war in Gaza. Chew will meet Breton on Nov. 6 and Jourova and Reynders on Nov. 7, a TikTok spokesperson said. He will update the commissioners on TikTok's data security regime called Project Clover which started to store European user data locally this year, a TikTok spokesperson said. The company has a data centre in Dublin, Ireland, and is building two more in Ireland and Norway. Chew will also brief them on the company's compliance with new EU online content rules known as the Digital Services Act which requires Big Tech to do more to counter illegal and harmful online conte...

Meta takes steps to remove Hamas-related disinformation

Meta said on Friday it was taking steps including removing praise and substantive support for Hamas from its platforms after the European Union reprimanded social media companies for not doing enough to tackle disinformation . Since Palestinian militant group Hamas attacked Israel on Oct. 7, misleading claims and doctored images have spread on Facebook and other social media. In the three days after the attack, Meta said it remove d or marked as disturbing more than 795,000 pieces of content in Hebrew or Arabic. Meta is also temporarily expanding its violence and incitement policy and removing content that clearly identifies hostages taken by Hamas, even if it is being done to condemn or raise awareness of their situation. Content with blurred images of victims is still allowed but the company will prioritise the safety and privacy of kidnapping victims if unsure or unable to make a clear assessment, it said. Following the attack, Hamas has taken scor...

Twitter to become a cesspool of misinformation and conspiracies

A conspiracy theorist urging Americans to burn voting machines, an anti-Muslim activist posting a photo with a gun, a retired general who called for a coup -- Elon Musk's Twitter has reinstated thousands of once-banned accounts. Twitter has turned into what campaigners call a cesspool of misinformation , hate-filled conspiracies and racial slurs amid what appears to be reduced content moderation in recent weeks following mass layoffs and an exodus of key staff focused on user safety. Musk, a self-proclaimed free speech absolutist who completed his $44 billion buyout of the influential platform in October, has further stoked alarm by restoring what one expert estimates are over 27,000 accounts once suspended for fuelling falsehoods, harassment and violence. "Restoring these accounts will make the platform a magnet for actors who want to spread misinformation ," Jonathan Nagler, co-director of the New York University's Center for Social Media and Politics , to...

War-themed video game fuels wave of misinformation

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Troops battle through burning streets. Missiles take down fighter jets. Drones pulverize tanks. The dramatic visuals have the trappings of real-life combat, but they are clips from video Game s fuelling mis information . Footage from the war-themed Arma 3 video game, often marked "live" or "breaking news" to make it appear genuine, has been used repeatedly in recent months in fake videos about the Russian offensive in Ukraine. The frequency and ease with which gaming footage is mistaken as real, even by some media broadcasters, and shared as authentic news on social media highlight what researchers call its serious potential to spread misinformation. "The fact that it keeps happening is a reminder of how easy it is to fool people," Claire Wardle, co-director of the Information Futures Lab at Brown University, told AFP. "As video game visuals get more sophisticated, CGI (computer-generated imagery) can, at a quick glance, look real. People need t...