Category: 3. Tech
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Team borrows semiconductor industry know-how to make better batteries
a) Schematic of the coating strategy based on ALD to produce oxide-coated Li6PS5Cl powders. b) Al 2p XPS spectra showing increasing Al intensity with increasing ALD cycles. c-e) S 2p, P 2p, and Cl 2p core level XPS spectra showing minimal reactivity of the underlying LPSCl with the ALD coatings up to 10 cycles. (f)…
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Regulating the manganese cathode interface of zinc-manganese batteries with a quasi-eutectic electrolyte
(a) Schematic diagram of the structure and potential, and (b) schematic diagram of mass-charge transfer. φ represents the potential at different distances from the cathode interface. The substitution of OTf– by urea at the cathode interface achieves an increase in cathodic potential while differentiating the kinetics of desolvation of Mn2+ and Zn2+. This modulation of…
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Watch a Japanese military ship fire a railgun
On October 17, Japan’s military announced it had successfully test-fired a railgun on board a ship. The test was conducted by the Acquisition Technology and Logistics Agency, Japan’s rough DARPA analog, and it was carried out in conjunction with Japan Maritime Self-Defense Force. The railgun is framed specifically as a protective measure: by firing high-speed…
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Spotting human activity in internet usage data
The number of change-sensitive blocks (circle area) by geolocation (in a 2 × 2 ◦ gridcell). Dataset: 2020m1. Credit: Proceedings of the 2023 ACM on Internet Measurement Conference (2023). DOI: 10.1145/3618257.3624796 Most people call an internet outage an annoyance. The researchers at USC’s ANT Lab (Analysis of Network Traffic) call it a data point. The…
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UK, US, China sign AI safety pledge at UK summit
Britain’s Prime Minister Rishi Sunak convened the first ever global summit on AI safety. Countries including the UK, United States and China on Wednesday agreed the “need for international action” as political and tech leaders gathered for the world’s first summit on artificial intelligence (AI) safety. The UK government kicked off the two-day event at…
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US prosecutors brand Bankman-Fried thief in crypto trial
Credit: Pixabay/CC0 Public Domain Former cryptocurrency whiz kid Sam Bankman-Fried knowingly stole money from customers of his FTX platform, US prosecutors told a federal court in closing arguments on Wednesday. “This is not about complex issues of cryptocurrencies,” prosecutor Nicolas Roos told the jury after several days of whithering cross-examination of the… Continue Reading News…
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Bitcoin wins boost on hope of broader trading
The authorization of a bitcoin exchange-traded fund in the United States would make it easier for investors to trade in the cryptocurrency. Bitcoin’s price has risen strongly in recent weeks with the United States possibly set to allow a popular type of trading in the cryptocurrency that would further normalize the asset. A 30-percent jump…
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EU bans Meta’s use of personal data for behavioral advertising
The EU is tightening the ability of social platforms to use personal data to target advertising. The European Data Protection Board said Wednesday it had adopted a binding decision that will ban Facebook and Instagram owner Meta from using the personal data of users for targeted advertisements. The order will “impose a ban on the…
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Countries at a UK summit pledge to tackle AI’s potentially ‘catastrophic’ risks
US Vice President Kamala Harris delivers a policy speech on the Biden-Harris Administration’s vision for the future of Artificial Intelligence (AI), at the US Embassy in London, Wednesday, Nov. 1, 2023. Harris is on a two day visit to England to attend the AI Summit at Bletchley Park. Credit: AP Photo/Kin Cheung Delegates from 28…
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AP news site hit by apparent denial-of-service attack
Credit: Pixabay/CC0 Public Domain The Associated Press news website experienced an outage that appeared to be consistent with a denial-of-service attack, a federal criminal act that involves flooding a site with data in order to overwhelm it and knock it offline. Attempting to visit the apnews.com site starting Tuesday afternoon would load the home page,…