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Scientists develop superfast-charging, high-capacity potassium batteries

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Skoltech researchers in collaboration with scientists from the Institute for Problems of Chemical Physics of RAS and the Ural Federal University have shown that high-capacity, high-power batteries can be made from organic materials without lithium or other rare elements. In addition, they demonstrated the impressive stability of cathode materials and recorded high energy density in fast charge/discharge potassium-based batteries. The results of their studies were published in the Journal of Materials Chemistry A, the Journal of Physical Chemistry Letters and Chemical Communications.
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zippy72
8 hours ago
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I'm still not that Gary, says US email mixup bloke who hasn't even seen Dartford Crossing

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Nor is he called Andrew, but he's still getting messages about Dart Charge

Despite El Reg writing about the case of the Ryanair passenger earlier this year who was registered for a flight in error after somebody mistyped his email address, poor old "Not That Gary" has been struck by the same problem again – thanks to someone using a toll bridge in southeast England.…

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1 day ago
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Hillary Clinton: 'Shameful' not to publish Russia report

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A report on possible Russian interference in the UK should come out, says the former US politician.
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1 day ago
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Uber CEO compares pedestrian death to murder of Saudi journalist, saying all should be forgiven

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Uber PRs missing the days of Travis Kalanick

Opinion  Two years ago, Uber CEO Dara Khosrowshahi was brought in to help the company recover from a long series of ethical and moral lapses. But based on an interview this week, it seems the company’s culture may be rubbing off on him more than he is impacting it.…

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zippy72
2 days ago
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Uber CEO calls Jamal Khashoggi murder 'serious mistake'

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Dara Khosrowshahi compared the journalist's killing to his company's failings with self-driving cars.
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zippy72
2 days ago
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If you're rich, murder can be downgraded to a "mistake" #boycottUber
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freeAgent
2 days ago
I mean, who hasn't accidentally murdered someone? I think we all deserve forgiveness.
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Freedom House: Thanks to social media, internet freedom is down for the the ninth straight year

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Freedom House, a US-government-funded nonprofit think-tank whose mission is to spread democracy, issues an annual "internet freedom" report; this year, for the ninth consecutive year, the report says that internet freedom has declined, and it's all thanks to social media.

The report surveys 65 countries (covering 87% of the world's internet users), and in 38 of them Freedom House says that social media has been used by political leaders who "employed individuals to surreptitiously shape online opinions" that mixed "authentic users'" views with "fraudulent or automated accounts."

The report describes how social media has been mined by intelligence services who engaged in "the collection and analysis of vast amounts of data on entire populations," creating a "sharp global increase in the abuse of civil liberties and shrinking online space for civic activism."

The report notes that while 33 countries' internet freedom has declined since last year, 16 countries have undergone net improvements. The worst declines came from "Sudan and Kazakhstan followed by Brazil, Bangladesh, and Zimbabwe."

The worst country for internet freedom is China. The biggest improvement came from Ethiopia. Iceland is "the world’s best protector of internet freedom."

Freedom House warns that "Emerging technologies such as advanced biometrics, artificial intelligence, and fifth-generation mobile networks will provide new opportunities for human development, but they will also undoubtedly present a new array of human rights challenges."

Internet freedom declined in the United States. While the online environment remains vibrant, diverse, and free from state censorship, this report’s coverage period saw the third straight year of decline. Law enforcement and immigration agencies expanded their surveillance of the public, eschewing oversight, transparency, and accountability mechanisms that might restrain their actions. Officials increasingly monitored social media platforms and conducted warrantless searches of travelers’ electronic devices to glean information about constitutionally protected activities such as peaceful protests and critical reporting. Disinformation was again prevalent around major political events like the November 2018 midterm elections and congressional confirmation hearings for Supreme Court nominee Brett Kavanaugh. Both domestic and foreign actors manipulated content for political purposes, undermining the democratic process and stoking divisions in American society. In a positive development for privacy rights, the Supreme Court ruled that warrants are required for law enforcement agencies to access subscriber-location records from third parties.

The Crisis of Social Media [Adrian Shahbaz and Allie Funk/Freedom on the Net]

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4 days ago
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